A. Prove that: b. OR Prove…

MATHEMATICS · Subjective · A Level · Mathematics · Trigonometry · Trigonometry

Problem

27. a. Prove that:

\frac{\tan \theta}{1 - \cot \theta} + \frac{\cot \theta}{1 - \tan \theta} = 1 + \sec \theta \csc \theta

b. OR Prove that:

\frac{\sin A + \cos A}{\sin A - \cos A} + \frac{\sin A - \cos A}{\sin A + \cos A} = \frac{2}{2 \sin^2 A - 1}