Prove cos2θ/(1+sin2θ)=tan(π/4−θ) | Trigonometry Identity Proof | Lecture 13
Автор: THE JAY SIR
Загружено: 2026-01-18
Просмотров: 2
In this video, I solve an important trigonometry identity step by step:
cos2θ/(1+sin2θ)=tan(π/4−θ)
This problem is explained in a very simple and exam-oriented way, making it perfect for **Class 10 SEE students**, **optional mathematics**, and anyone preparing for board exams or competitive exams.
📌 This is *Lecture 13* of my Trigonometry Identities Proof Series, where I cover the most important and frequently asked trigonometric proofs.
✅ Best for:
Class 10 Trigonometry
SEE Mathematics Nepal
Trigonometric Identities Proofs
Board Exam Preparation
Conceptual Understanding
👉 Watch till the end to understand the shortcut techniques and logic behind the identity.
📢 If you find this video helpful, please *like, share, and subscribe* to support this new channel.
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