CBSE

MATHEMATICS · Single correct · CBSE · Mathematics · Introduction to Trigonometry · Introduction to Trigonometry

Problem

Simplify 1−tan⁡2θ1+tan⁡2θ\dfrac{1-\tan^2\theta}{1+\tan^2\theta}. (a) −cos⁡2θ-\cos 2\theta (b) sin⁡2θ\sin 2\theta (c) cos⁡2θ\cos 2\theta (d) tan⁡2θ\tan 2\theta

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