Tricky Trigonometry Class 10 | Top 5 Exam Questions with Easy Tricks | Chapter 8 | Board 2025

Описание: Are you struggling with Trigonometry Proofs in Class 10 Maths? 🤔
In this video, I will explain the Top 6 Tough Trigonometry Questions step by step with easy tricks. These questions are most important for CBSE 2025 Board Exams and also useful for ICSE, State Boards, and competitive exams.

👉 What you’ll learn in this video:
✅ Important trigonometric identities for Class 10
✅ Step-by-step proofs of tough trigonometry questions
✅ How to solve high-level trigonometry without confusion
✅ Exam-oriented questions that always repeat in Board Exams

📌 Chapters covered:

Introduction to Trigonometry (NCERT Chapter 8)

Important Proofs and Identities

Most Expected Exam Questions


If you practice these questions, your Trigonometry chapter will be 100% clear!
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⏱️ Timestamps

00:34 ------ Question 1:
Prove (cos A)/(1 + sin A) + (1 + sin A)/(cos A) = 2sec(A)

03:10 ------ Question 2: Prove

1/(1 + sin theta) + 1/(1 - sin theta) = 2sec^2 theta

05:01 ------ Question 3: If tanA = 3/4, evaluate (2sin Acos A)/(sin^2 A -cos^2A)

07:32 ------ Question 4: Prove
(1 + cos A)/(sin A) = cosec(A) + cot A

08:55------ Question 5:
If sec(theta) + tan (theta) = p prove that sec(theta) = (p ^ 2 + 1)/(2p) &
tan (theta) = (p ^ 2 - 1)/(2p)

12:01 ------ Question 6: Prove
sin^6 A + cos^6 A = 1- 3sin^2 A * cos^2A

15:24 ------ Conclusion & Exam Tips

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