Channel Title: Focus Classes - Maths 9 & 10 Channel Description: Do you lack in Maths Class 9th or 10th ? ◾We at Focus Classes help you Understand BETTER, Work HARDER and most importantly Guide you to LEARN SMARTER. Learn the tricky concepts through unmatched explanation. Here, on our channel we are covering NCERT Books, R.D Sharma, R.S Agarwal, PYQS and many other Important Questions through our videos. So stay tuned with us to secure 100% marks in Maths. We also conduct one to one live classes (Two way Interaction - Zoom) on the following subjects- Maths- Class 9 Maths- Class 10 Maths- Class 8 Science- Class 9 Science- Class 10 English Speaking Classes for all walks of People Call : 8273007746 -Deepak Rajoria (Maths Teacher) Focus Classes (Next-Gen Coaching Institute) <video> If (m + 1)th term of an A.P. is twice the (n + 1)th term, prove that (3m + 1)th term is twice Description: Class -10, Chapter-5 Arithmetic Progression If (m + 1)th term of an A.P. is twice the (n + 1)th term, prove that (3m + 1)th term is twice the (m + n + 1)th term. 🔶We have covered all the questions from NCERT Book, RD Sharma, RS Agarwal, Previous Year's Papers, Most Repeated Questions in Board Exam, Questios from various Sample Papers, Important Questions from different Board Exams also from AMU - Entrance Papers. 🔶Visit our Playlists- ◼️◾Extra Questions (Most Important Questions for Board Exam)◾◼️ 👉https://bit.ly/2JtCBnL Chapter 1: Real Numbers 👉https://bit.ly/3dIG9k2 Chapter 2: Polynomials 👉https://bit.ly/33ZTM9X Chapter 3: Pair of linear Equations in Two Variables 👉https://bit.ly/2UxsZ1R Chapter 4: Quadratic Equations 👉https://bit.ly/3bxIgoW Chapter 5: Arithmetic Progression 👉https://bit.ly/2wR6oEi Chapter 6: Triangles 👉https://bit.ly/2QXb828 Chapter 7: Coordinate Geometry 👉https://bit.ly/2UTybfl Chapter 8: Introduction to Trigonometry 👉https://bit.ly/3ayeZKz Chapter 9: Some Applications of Trigonometry 👉https://bit.ly/2V3RrXJ Chapter 10: Circles 👉https://bit.ly/2xyBLn3 Chapter 11: Constructions 👉https://bit.ly/39wPDLV Chapter 12: Area Related to Circles 👉https://bit.ly/3aywDOs Chapter 13: Surface Areas and Volumes 👉https://bit.ly/3dLOtiK Chapter 14: Statistics 👉https://bit.ly/2w2OZrT Chapter-15: Probability 👉https://rb.gy/9q9dhy. ◾Deepak Rajoria (Maths Teacher) ◾Focus Classes #FocusClasses, #DeepakRajoria, #MathsWithDeepakRajoria #ArithmeticProgression YOUR QUERIES : Arithmetic Progression What is a sequence What is the difference between a sequence and a progression If nth term of the two AP's is nth term of an AP General term of an AP Sum of the first n terms of an AP Sequence and the series What is a progression What is the sum of a series How to Derive the formula to find the sum of first n terms If nth term of AP is m How to find the Mean of two middle most terms af an ap How to find the number of terms of an AP If the sum of first n terms af an AP is m How to find the sum of two middle most terms of an AP Most Important Question from RD Sharma from Chapter 5 Arithmetic Progression PYQS for board exam from Arithmetic Progression Most repeated questions from board exam Ncert Maths Chapter -5 Arithmetic Progression Important Questions from NCERT Exemplar </video> <video> CD is the angle bisector of ∠ECB and ∠ACE = ∠B Prove that AD = AC Lines and Angles Description: CD is the angle bisector of ∠ECB and ∠ACE = ∠B Prove that AD = AC </video> <video> A rectangular park is to be designed whose length is 3m more than its breadth. Its area is 4 square Description: Quadratic Equations Class-10, Extra Questions A rectangular park is to be designed whose length is 3m more than its breadth. Its area is 4 square metres more than the area of a park that has already been made in the shape of an isosceles triangle with its base as the breadth of the rectangular park and of altitude 12 m (Shown in the adjoining figure). Find the dimensions of the rectangular park. 🔶We have covered all the questions from NCERT Book, RD Sharma, RS Agarwal, Previous Year's Papers, Most Repeated Questions in Board Exam, Questios from various Sample Papers, Important Questions from different Board Exams also from AMU - Entrance Papers. 🔶Visit our Playlists- ◼️◾Extra Questions (Most Important Questions for Board Exam)◾◼️ 👉https://bit.ly/2JtCBnL Chapter 1: Real Numbers 👉https://bit.ly/3dIG9k2 Chapter 2: Polynomials 👉https://bit.ly/33ZTM9X Chapter 3: Pair of linear Equations in Two Variables 👉https://bit.ly/2UxsZ1R Chapter 4: Quadratic Equations 👉https://bit.ly/3bxIgoW Chapter 5: Arithmetic Progression 👉https://bit.ly/2wR6oEi Chapter 6: Triangles 👉https://bit.ly/2QXb828 Chapter 7: Coordinate Geometry 👉https://bit.ly/2UTybfl Chapter 8: Introduction to Trigonometry 👉https://bit.ly/3ayeZKz Chapter 9: Some Applications of Trigonometry 👉https://bit.ly/2V3RrXJ Chapter 10: Circles 👉https://bit.ly/2xyBLn3 Chapter 11: Constructions 👉https://bit.ly/39wPDLV Chapter 12: Area Related to Circles 👉https://bit.ly/3aywDOs Chapter 13: Surface Areas and Volumes 👉https://bit.ly/3dLOtiK Chapter 14: Statistics 👉https://bit.ly/2w2OZrT Chapter-15: Probability 👉https://rb.gy/9q9dhy. ◾Deepak Rajoria (Maths Teacher) ◾Focus Classes #FocusClasses, #DeepakRajoria, #MathsWithDeepakRajoria, #QuadraticEquations YOUR QUERIES : Quadratic Equations class 10 Roots of Quadratic Equations Methods to find the roots of a Quadratic Equation How to find roots by factorisation Factorization method to find the roots of a Quadratic Equation How to find the roots by making perfect square Relation between roots and the coefficients The Roots of a quadratic Equation by Quadratic Formula Shri Dharacharya Formula to find the roots of a quadratic Equation What is discriminant How to find the Nature of the roots How to check whether roots exist or not Discriminant of a Quadratic Equation Most Important Question for board exam from Quadratic Equations Splitting the middle term PYQS for board exam Most Important Question from RD Sharma chapter 4 </video> <video> If the (m)th term of an A.P. be 1/n and (n)th term be 1/m, then show that its (mn)th term is 1 Description: Maths Class-10 Chapter-5, Arithmetic Progression (AP) Most Important Question from AP If mth term of an AP is 1/n and nth term is 1/m show that (mn)th term of this AP is 1. If the (m)th term of an A.P. be 1/n and (n)th term be 1/m, then show that its (mn)th term is 1 🔶We have covered all the questions from NCERT Book, RD Sharma, RS Agarwal, Previous Year's Papers, Most Repeated Questions in Board Exam, Questios from various Sample Papers, Important Questions from different Board Exams also from AMU - Entrance Papers. 🔶Visit our Playlists- ◼️◾Extra Questions (Most Important Questions for Board Exam)◾◼️ 👉https://bit.ly/2JtCBnL Chapter 1: Real Numbers 👉https://bit.ly/3dIG9k2 Chapter 2: Polynomials 👉https://bit.ly/33ZTM9X Chapter 3: Pair of linear Equations in Two Variables 👉https://bit.ly/2UxsZ1R Chapter 4: Quadratic Equations 👉https://bit.ly/3bxIgoW Chapter 5: Arithmetic Progression 👉https://bit.ly/2wR6oEi Chapter 6: Triangles 👉https://bit.ly/2QXb828 Chapter 7: Coordinate Geometry 👉https://bit.ly/2UTybfl Chapter 8: Introduction to Trigonometry 👉https://bit.ly/3ayeZKz Chapter 9: Some Applications of Trigonometry 👉https://bit.ly/2V3RrXJ Chapter 10: Circles 👉https://bit.ly/2xyBLn3 Chapter 11: Constructions 👉https://bit.ly/39wPDLV Chapter 12: Area Related to Circles 👉https://bit.ly/3aywDOs Chapter 13: Surface Areas and Volumes 👉https://bit.ly/3dLOtiK Chapter 14: Statistics 👉https://bit.ly/2w2OZrT Chapter-15: Probability 👉https://rb.gy/9q9dhy . ◾Deepak Rajoria (Maths Teacher) ◾Focus Classes #FocusClasses, #DeepakRajoria, #MathsWithDeepakRajoria #ArithmeticProgression YOUR QUERIES : Arithmetic Progression What is a sequence What is the difference between a sequence and a progression If nth term of the two AP's is nth term of an AP General term of an AP Sum of the first n terms of an AP Sequence and the series What is a progression What is the sum of a series How to Derive the formula to find the sum of first n terms If nth term of AP is m How to find the Mean of two middle most terms af an ap How to find the number of terms of an AP If the sum of first n terms af an AP is m How to find the sum of two middle most terms of an AP Most Important Question from RD Sharma from Chapter 5 Arithmetic Progression PYQS for board exam from Arithmetic Progression Most repeated questions from board exam Ncert Maths Chapter -5 Arithmetic Progression </video> <video> Find the value of m so that the roots of the equation: (4–m)x2 + (2m+4)x + (8m+1)=0 may be equal Description: Quadratic Equations Class-10, Extra Questions Find the value of ‘m’ so that the roots of the equation: (4 – m) x2 + (2m + 4) x + (8m + 1) = 0 may be equal Find the value of m if the roots of the equation: (4–m)x2 + (2m+4)x + (8m+1)=0 are equal Find m for equal roots (4–m)x2 + (2m+4)x + (8m+1)=0 🔶We have covered all the questions from NCERT Book, RD Sharma, RS Agarwal, Previous Year's Papers, Most Repeated Questions in Board Exam, Questios from various Sample Papers, Important Questions from different Board Exams also from AMU - Entrance Papers. 🔶Visit our Playlists- ◼️◾Extra Questions (Most Important Questions for Board Exam)◾◼️ 👉https://bit.ly/2JtCBnL Chapter 1: Real Numbers 👉https://bit.ly/3dIG9k2 Chapter 2: Polynomials 👉https://bit.ly/33ZTM9X Chapter 3: Pair of linear Equations in Two Variables 👉https://bit.ly/2UxsZ1R Chapter 4: Quadratic Equations 👉https://bit.ly/3bxIgoW Chapter 5: Arithmetic Progression 👉https://bit.ly/2wR6oEi Chapter 6: Triangles 👉https://bit.ly/2QXb828 Chapter 7: Coordinate Geometry 👉https://bit.ly/2UTybfl Chapter 8: Introduction to Trigonometry 👉https://bit.ly/3ayeZKz Chapter 9: Some Applications of Trigonometry 👉https://bit.ly/2V3RrXJ Chapter 10: Circles 👉https://bit.ly/2xyBLn3 Chapter 11: Constructions 👉https://bit.ly/39wPDLV Chapter 12: Area Related to Circles 👉https://bit.ly/3aywDOs Chapter 13: Surface Areas and Volumes 👉https://bit.ly/3dLOtiK Chapter 14: Statistics 👉https://bit.ly/2w2OZrT Chapter-15: Probability 👉https://rb.gy/9q9dhy. ◾Deepak Rajoria (Maths Teacher) ◾Focus Classes #FocusClasses, #DeepakRajoria, #MathsWithDeepakRajoria, #QuadraticEquations YOUR QUERIES : Quadratic Equations class 10 Roots of Quadratic Equations Methods to find the roots of a Quadratic Equation How to find roots by factorisation Factorization method to find the roots of a Quadratic Equation How to find the roots by making perfect square Relation between roots and the coefficients The Roots of a quadratic Equation by Quadratic Formula Shri Dharacharya Formula to find the roots of a quadratic Equation What is discriminant How to find the Nature of the roots How to check whether roots exist or not Discriminant of a Quadratic Equation Most Important Question for board exam from Quadratic Equations Splitting the middle term PYQS for board exam Most Important Question from RD Sharma chapter 4 </video> <video> If the numbers a, b, c, d, e, form an A.P, then find the value of a− 4b + 6c − 4d + e Description: Class -10, Chapter-5 Arithmetic Progression If the numbers a, b, c, d, e, form an A.P, then find the value of a− 4b + 6c − 4d + e Most Important Question from AP (Arithmetic Progression) 🔶We have covered all the questions from NCERT Book, RD Sharma, RS Agarwal, Previous Year's Papers, Most Repeated Questions in Board Exam, Questios from various Sample Papers, Important Questions from different Board Exams also from AMU - Entrance Papers. 🔶Visit our Playlists- ◼️◾Extra Questions (Most Important Questions for Board Exam)◾◼️ 👉https://bit.ly/2JtCBnL Chapter 1: Real Numbers 👉https://bit.ly/3dIG9k2 Chapter 2: Polynomials 👉https://bit.ly/33ZTM9X Chapter 3: Pair of linear Equations in Two Variables 👉https://bit.ly/2UxsZ1R Chapter 4: Quadratic Equations 👉https://bit.ly/3bxIgoW Chapter 5: Arithmetic Progression 👉https://bit.ly/2wR6oEi Chapter 6: Triangles 👉https://bit.ly/2QXb828 Chapter 7: Coordinate Geometry 👉https://bit.ly/2UTybfl Chapter 8: Introduction to Trigonometry 👉https://bit.ly/3ayeZKz Chapter 9: Some Applications of Trigonometry 👉https://bit.ly/2V3RrXJ Chapter 10: Circles 👉https://bit.ly/2xyBLn3 Chapter 11: Constructions 👉https://bit.ly/39wPDLV Chapter 12: Area Related to Circles 👉https://bit.ly/3aywDOs Chapter 13: Surface Areas and Volumes 👉https://bit.ly/3dLOtiK Chapter 14: Statistics 👉https://bit.ly/2w2OZrT Chapter-15: Probability 👉https://rb.gy/9q9dhy. ◾Deepak Rajoria (Maths Teacher) ◾Focus Classes #FocusClasses, #DeepakRajoria, #MathsWithDeepakRajoria #ArithmeticProgression YOUR QUERIES : Arithmetic Progression What is a sequence What is the difference between a sequence and a progression If nth term of the two AP's is nth term of an AP General term of an AP Sum of the first n terms of an AP Sequence and the series What is a progression What is the sum of a series How to Derive the formula to find the sum of first n terms If nth term of AP is m How to find the Mean of two middle most terms af an ap How to find the number of terms of an AP If the sum of first n terms af an AP is m How to find the sum of two middle most terms of an AP Most Important Question from RD Sharma from Chapter 5 Arithmetic Progression PYQS for board exam from Arithmetic Progression Most repeated questions from board exam Ncert Maths Chapter -5 Arithmetic Progression Important Questions from NCERT Exemplar </video> <video> If PQRS is a parallelogram and AB II PS, then prove that OC II SR. Triangles Class-10 Extra Question Description: Class 10, Maths Chapter-6, Triangles NCERT Book, CBSE Board If PQRS is a parallelogram and AB II PS then prove that OC II SR. Triangles Class-10 Extra Question Most Important Theorem from Triangles for Board Exam 🔶We have covered all the questions from NCERT Book, RD Sharma, RS Agarwal, Previous Year's Papers, Most Repeated Questions in Board Exam, Questios from various Sample Papers, Important Questions from different Board Exams also from AMU - Entrance Papers. 🔶Visit our Playlists- ◼️◾Extra Questions (Most Important Questions for Board Exam)◾◼️ 👉https://bit.ly/2JtCBnL Chapter 1: Real Numbers 👉https://bit.ly/3dIG9k2 Chapter 2: Polynomials 👉https://bit.ly/33ZTM9X Chapter 3: Pair of linear Equations in Two Variables 👉https://bit.ly/2UxsZ1R Chapter 4: Quadratic Equations 👉https://bit.ly/3bxIgoW Chapter 5: Arithmetic Progression 👉https://bit.ly/2wR6oEi Chapter 6: Triangles 👉https://bit.ly/2QXb828 Chapter 7: Coordinate Geometry 👉https://bit.ly/2UTybfl Chapter 8: Introduction to Trigonometry 👉https://bit.ly/3ayeZKz Chapter 9: Some Applications of Trigonometry 👉https://bit.ly/2V3RrXJ Chapter 10: Circles 👉https://bit.ly/2xyBLn3 Chapter 11: Constructions 👉https://bit.ly/39wPDLV Chapter 12: Area Related to Circles 👉https://bit.ly/3aywDOs Chapter 13: Surface Areas and Volumes 👉https://bit.ly/3dLOtiK Chapter 14: Statistics 👉https://bit.ly/2w2OZrT Chapter-15: Probability 👉https://rb.gy/9q9dhy ◾Deepak Rajoria (Maths Teacher) ◾Focus Classes #FocusClasses, #DeepakRajoria, #MathsWithDeepakRajoria #TrianglesClass10 YOUR QUERIES : Introduction to Triangles Important Question from Triangles List of Important Questions from Chapter 6 Triangles Triagles Class in Hindi Ncert book chapter 6 Maths Ncert book Questions from Chapter-6 Maths NCERT Book Important Questions for board exam RD Sharma Question from Triangles Class 10 Ncert Exemplar Questions Class 10 from Triangles Basic Proportionality Theorem (BPT) thales's theorem corollary of BPT converse of BPT Criterion for similarity of two triangles Area theorem for class 10 Proof of Pythagoras theorem converse of Pythagoras theorem Extention of Pythagoras theorem for obtuse Angle extention of Pythagoras theorem for Acute angle interior Angle Bisector Theorem exterior Angle Bisector Theorem Apollonius theorem for a triangle </video> <video> If cosec θ + cot θ = α, show that (α2 + 1) cos θ = α2-1 Description: Please SUPPORT us By: Like, Share & Subscribe Maths Class 10 Chapter- 8, Introduction to Trigonometry If cosec θ + cot θ = α show that (α2 + 1) cos θ = α2-1 If cosec θ + cot θ = α show that (α^2 + 1) cos θ = α^2-1 If cosec A + cot A = m show that (m^2-1)/(m^2+1)=cos⁡A. 🔶We have covered NCERT Book, NCERT Exemplar Questions, RD Sharma Questions, RD Sharma Examples, RS Agarwal, Previous Year's Papers, Most Repeated Questions in Board Exam, Important Questions from different Board Papers, AMU - Entrance Papers, HOTS from Every chapter 🔶Visit our Playlists- Chapter lol 1: Real Numbers 👉https://bit.ly/3dIG9k2 Chapter 2: Polynomials 👉https://bit.ly/33ZTM9X Chapter 3: Pair of linear Equations in Two Variables 👉https://bit.ly/2UxsZ1R Chapter 4: Quadratic Equations 👉https://bit.ly/3bxIgoW Chapter 5: Arithmetic Progression 👉https://bit.ly/2wR6oEi Chapter 6: Triangles 👉https://bit.ly/2QXb828 Chapter 7: Coordinate Geometry 👉https://bit.ly/2UTybfl Chapter 8: Introduction to Trigonometry 👉https://bit.ly/3ayeZKz Chapter 9: Some Applications of Trigonometry 👉https://bit.ly/2V3RrXJ Chapter 10: Circles 👉https://bit.ly/2xyBLn3 Chapter 11: Constructions 👉https://bit.ly/39wPDLV Chapter 11: Area Related to Circles 👉https://bit.ly/3aywDOs Chapter 12: Surface Areas and Volumes 👉https://bit.ly/3dLOtiK Chapter 13: Statistics 👉https://bit.ly/2w2OZrTa Chapter-14: Probability 👉https://rb.gy/9q9dhy. Deepak Rajoria ◾Focus Classes #FocusClasses, #DeepakRajoria, #Trigonometry, #Mathsclass10Chapter8, #mathsclass8workbookworksheet #NCERTMaths, #Class10Maths #TrigonometryClass10, #NCERT, #CBSE Follow Us on: WhatsApp Channel: https://whatsapp.com/channel/0029VaAHrbYDzgT9zUVAYg3q Telegram : https://t.me/Class9and10Maths Facebook: https://www.facebook.com/FocusClassesAligarh Oqq Website : https://focusclassesaligarh.blogspot.com YOUR QUERIES : What are Trigonometric Ratios Different types of Trigonometric Ratios Trignometric Identities Sin2 theta + Cos2 theta =1 1 - sin2 Thera = Cos2 theta 1- cos2 theta = sin2 theta 1+ tan2 theta = Sec2 theta Sec2 theta - tan2 thetaqq = 1 Sec2 theta - 1 = tan2 theta 1+ cot2 theta = cosec2 theta Cosec2 theta - cot2 theta = 1 Cosec2 theta - 1 = cot2 theta t ratio for complementary angles how to prove trigonometric identities trigonometric identities How to find the value of theta </video> <video> In fig., ABCD is a trapezium in which AB || CD. If OA = 4, OB = x +1, OC = 4x – 2 and OD = 2x+4 Description: Class 10, Maths Chapter-6, Triangles NCERT Book, CBSE Board In fig. ABCD is a trapezium in which AB || CD. If OA = 4 OB = x +1 OC = 4x – 2 and OD = 2x+4 find x. Most Important Theorem from Triangles for Board Exam 🔶We have covered all the questions from NCERT Book, RD Sharma, RS Agarwal, Previous Year's Papers, Most Repeated Questions in Board Exam, Questios from various Sample Papers, Important Questions from different Board Exams also from AMU - Entrance Papers. 🔶Visit our Playlists- ◼️◾Extra Questions (Most Important Questions for Board Exam)◾◼️ 👉https://bit.ly/2JtCBnL Chapter 1: Real Numbers 👉https://bit.ly/3dIG9k2 Chapter 2: Polynomials 👉https://bit.ly/33ZTM9X Chapter 3: Pair of linear Equations in Two Variables 👉https://bit.ly/2UxsZ1R Chapter 4: Quadratic Equations 👉https://bit.ly/3bxIgoW Chapter 5: Arithmetic Progression 👉https://bit.ly/2wR6oEi Chapter 6: Triangles 👉https://bit.ly/2QXb828 Chapter 7: Coordinate Geometry 👉https://bit.ly/2UTybfl Chapter 8: Introduction to Trigonometry 👉https://bit.ly/3ayeZKz Chapter 9: Some Applications of Trigonometry 👉https://bit.ly/2V3RrXJ Chapter 10: Circles 👉https://bit.ly/2xyBLn3 Chapter 11: Constructions 👉https://bit.ly/39wPDLV Chapter 12: Area Related to Circles 👉https://bit.ly/3aywDOs Chapter 13: Surface Areas and Volumes 👉https://bit.ly/3dLOtiK Chapter 14: Statistics 👉https://bit.ly/2w2OZrT Chapter-15: Probability 👉https://rb.gy/9q9dhy ◾Deepak Rajoria (Maths Teacher) ◾Focus Classes #FocusClasses, #DeepakRajoria, #MathsWithDeepakRajoria #TrianglesClass10 YOUR QUERIES : Introduction to Triangles Important Question from Triangles List of Important Questions from Chapter 6 Triangles Triagles Class in Hindi Ncert book chapter 6 Maths Ncert book Questions from Chapter-6 Maths NCERT Book Important Questions for board exam RD Sharma Question from Triangles Class 10 Ncert Exemplar Questions Class 10 from Triangles Basic Proportionality Theorem (BPT) thales's theorem corollary of BPT converse of BPT Criterion for similarity of two triangles Area theorem for class 10 Proof of Pythagoras theorem converse of Pythagoras theorem Extention of Pythagoras theorem for obtuse Angle extention of Pythagoras theorem for Acute angle interior Angle Bisector Theorem exterior Angle Bisector Theorem Apollonius theorem for a triangle </video> <video> Class 10 Trigonometry | Chapter 8 Example 2 | If ∠B and ∠Q are acute angles such that sin B = sin Q Description: Welcome to Focus Classes! In this video, we solve Example 2 from Chapter 8 (Introduction to Trigonometry) in Class 10 Maths: Problem: If ∠B and ∠Q are acute angles such that sin B = sin Q, then prove that ∠B = ∠Q If Angle B and Angle Q are Acute Angles such that Sin B=Sin A then prove that Angle B=Angle Q 🔍 Concepts Covered in This Video: ✔ Understanding the sine function for acute angles. ✔ Similarity concept ✔ Logical reasoning and application of trigonometric concepts. ✔ Step-by-step proof for ∠B=∠Q. This is a foundational concept in trigonometry, important for building problem-solving skills and scoring well in exams. Download our app from play store : Focus Classes 💡 Don’t forget to like 👍, share, and subscribe to Focus Classes for more Class 10 Maths videos. Hit the bell icon 🔔 to stay updated with our latest tutorials! </video> <video> Legs of a right triangle are of lengths 16 cm and 8 cm. Find the length of the side of the largest Description: Class 10, Maths Chapter-6, Triangles NCERT Book, CBSE Board Legs of a right triangle are of lengths 16 cm and 8 cm. Find the length of the side of the largest square that can be inscribed in the triangle. 🔶We have covered all the questions from NCERT Book, RD Sharma, RS Agarwal, Previous Year's Papers, Most Repeated Questions in Board Exam, Questios from various Sample Papers, Important Questions from different Board Exams also from AMU - Entrance Papers. 🔶Visit our Playlists- ◼️◾Extra Questions (Most Important Questions for Board Exam)◾◼️ 👉https://bit.ly/2JtCBnL Chapter 1: Real Numbers 👉https://bit.ly/3dIG9k2 Chapter 2: Polynomials 👉https://bit.ly/33ZTM9X Chapter 3: Pair of linear Equations in Two Variables 👉https://bit.ly/2UxsZ1R Chapter 4: Quadratic Equations 👉https://bit.ly/3bxIgoW Chapter 5: Arithmetic Progression 👉https://bit.ly/2wR6oEi Chapter 6: Triangles 👉https://bit.ly/2QXb828 Chapter 7: Coordinate Geometry 👉https://bit.ly/2UTybfl Chapter 8: Introduction to Trigonometry 👉https://bit.ly/3ayeZKz Chapter 9: Some Applications of Trigonometry 👉https://bit.ly/2V3RrXJ Chapter 10: Circles 👉https://bit.ly/2xyBLn3 Chapter 11: Constructions 👉https://bit.ly/39wPDLV Chapter 12: Area Related to Circles 👉https://bit.ly/3aywDOs Chapter 13: Surface Areas and Volumes 👉https://bit.ly/3dLOtiK Chapter 14: Statistics 👉https://bit.ly/2w2OZrT Chapter-15: Probability 👉https://rb.gy/9q9dhy ◾Deepak Rajoria (Maths Teacher) ◾Focus Classes #FocusClasses, #DeepakRajoria, #MathsWithDeepakRajoria #TrianglesClass10 YOUR QUERIES : Introduction to Triangles Important Question from Triangles List of Important Questions from Chapter 6 Triangles Triagles Class in Hindi Ncert book chapter 6 Maths Ncert book Questions from Chapter-6 Maths NCERT Book Important Questions for board exam RD Sharma Question from Triangles Class 10 Ncert Exemplar Questions Class 10 from Triangles Basic Proportionality Theorem (BPT) thales's theorem corollary of BPT converse of BPT Criterion for similarity of two triangles Area theorem for class 10 Proof of Pythagoras theorem converse of Pythagoras theorem Extention of Pythagoras theorem for obtuse Angle extention of Pythagoras theorem for Acute angle interior Angle Bisector Theorem exterior Angle Bisector Theorem Apollonius theorem for a triangle </video> <video> If cos2 θ - 3 cos θ +2 / sin2 θ =1 then find the value of θ | Trigonometry Class 10 Description: If cos2 theta - 3 cos theta +2 / sin2 theta =1 then find the value of theta | Trigonometry Class 10 </video> <video> Prove that every line segment has one & only one mid point of a line segment Description: Prove that every line segment has one & only one mid point Introduction to Euclid's Geometry I Class 9 I Maths I Chapter 5 I Ex 5.1 IQ5 I Ncert I Cbse I Q.5 I Class 9 I Maths I EXERCISE 5.1 I Introduction to Euclid's Geometry I Chapter 5 I NCERT I CBSE I #class9 #class9maths #class9preparation #class9mathschapter5 #euclidsgeometry </video> <video> Find the sum of n terms of an A.P. whose nth terms is given by an = 5 – 6n Description: Most Important Question from AP (Arithmetic Progression) 🔶We have covered all the questions from NCERT Book, RD Sharma, RS Agarwal, Previous Year's Papers, Most Repeated Questions in Board Exam, Questios from various Sample Papers, Important Questions from different Board Exams also from AMU - Entrance Papers. 🔶Visit our Playlists- ◼️◾Extra Questions (Most Important Questions for Board Exam)◾◼️ 👉https://bit.ly/2JtCBnL Chapter 1: Real Numbers 👉https://bit.ly/3dIG9k2 Chapter 2: Polynomials 👉https://bit.ly/33ZTM9X Chapter 3: Pair of linear Equations in Two Variables 👉https://bit.ly/2UxsZ1R Chapter 4: Quadratic Equations 👉https://bit.ly/3bxIgoW Chapter 5: Arithmetic Progression 👉https://bit.ly/2wR6oEi Chapter 6: Triangles 👉https://bit.ly/2QXb828 Chapter 7: Coordinate Geometry 👉https://bit.ly/2UTybfl Chapter 8: Introduction to Trigonometry 👉https://bit.ly/3ayeZKz Chapter 9: Some Applications of Trigonometry 👉https://bit.ly/2V3RrXJ Chapter 10: Circles 👉https://bit.ly/2xyBLn3 Chapter 11: Constructions 👉https://bit.ly/39wPDLV Chapter 12: Area Related to Circles 👉https://bit.ly/3aywDOs Chapter 13: Surface Areas and Volumes 👉https://bit.ly/3dLOtiK Chapter 14: Statistics 👉https://bit.ly/2w2OZrT Chapter-15: Probability 👉https://rb.gy/9q9dhy. ◾Deepak Rajoria (Maths Teacher) ◾Focus Classes #FocusClasses, #DeepakRajoria, #MathsWithDeepakRajoria #ArithmeticProgression YOUR QUERIES : Arithmetic Progression What is a sequence What is the difference between a sequence and a progression If nth term of the two AP's is nth term of an AP General term of an AP Sum of the first n terms of an AP Sequence and the series What is a progression What is the sum of a series How to Derive the formula to find the sum of first n terms If nth term of AP is m How to find the Mean of two middle most terms af an ap How to find the number of terms of an AP If the sum of first n terms af an AP is m How to find the sum of two middle most terms of an AP Most Important Question from RD Sharma from Chapter 5 Arithmetic Progression PYQS for board exam from Arithmetic Progression Most repeated questions from board exam Ncert Maths Chapter -5 Arithmetic Progression Important Questions from NCERT Exemplar </video> <video> Class 10 Trigonometry | If 7 sin2 θ + 3 cos2 θ = 4 then Prove tan θ = 1/√3 | Important Question Description: Welcome to Focus Classes! In this video, we solve an important trigonometry question from Class 10 Maths: Problem: If 7sin2 θ + 3cos2 θ = 4, prove that tan θ =1/√3 🔍 Concepts Covered in This Video: ✔ Use of trigonometric identities sin2 θ + cos2 θ = 1 ✔ Step-by-step simplification to derive tanθ =1/√3 ✔ Important tips for solving similar problems in board exams. By the end of this video, you'll be able to understand the approach to solving such trigonometric equations and apply the concepts effectively in exams. More Trigonometry Videos: https://www.youtube.com/playlist?list=PLjChGpLUSNYRyAZXGaP7bYbTsygJmxxEp 💡 Don’t forget to like 👍, share, and subscribe to Focus Classes for more Class 10 Maths tutorials. Hit the bell icon 🔔 to stay updated with our latest videos! #trigonometry #class10th #class10mathstrigonometry </video>

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