Prove the following trigonometric identities-tan 2 A 1-tan 2 A - 2 A 1- 2 A -1

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Trigonometric Ratios

Prove the fol...

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Prove the following trigonometric identities.

$\frac{\tan^{2} A}{1 + \tan^{2} A} + \frac{\cot^{2} A}{1 + \cot^{2} A} = 1$

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Prove the following trigonometric identities:

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