Prove the following trigonometric identities-tan 2 A- 2 A- 2 A cosec2 A-2

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Complementary Trigonometric Ratios

Prove the fol...

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Prove the following trigonometric identities.

tan²A + cot² A = sec² A cosec² A − 2

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Prove the following trigonometric identities:

$\frac{t a n^{2} A}{1 + t a n^{2} A} + \frac{c o t^{2} A}{1 + c o t^{2} A} = 1$

\frac{\tan A}{{(1 + \tan^{2} A)}^{2}} + \frac{\cot A}{(1 + \cot^{2} A)} = \sin A \cos A

\cos^{2} A + \frac{1}{1 + \cot^{2} A} = 1

\frac{1 - \tan^{2} A}{\cot^{2} A - 1} = \tan^{2} A

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