Prove that for any acute angle .

MATHEMATICS · Subjective · CBSE · Mathematics · Introduction to Trigonometry · Introduction to Trigonometry

Problem

Prove that 1−cos⁡2θsin⁡θ=sin⁡θ\dfrac{1 - \cos^2 \theta}{\sin \theta} = \sin \theta for any acute angle θ\theta.

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