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

We have to prove We know that, . So, nbsp; nbsp; nbsp; nbsp; Hence proved. ...

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Trigonometric Ratios of Multiples of an Angle

Prove the fol...

Question

Prove the following trigonometric identities.

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

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