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

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Trigonometric Ratios of Multiples of an Angle

Prove the fol...

Question

Prove the following trigonometric identities.

$\frac{\sin A}{\sec A + \tan A - 1} + \frac{\cos A}{cosec A + \cot A - 1} = 1$

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\frac{\cos A cosec A - \sin A \sec A}{\cos A + \sin A} = cosec A - \sec A

\frac{\sin A}{\sec A + \tan A - 1} + \frac{\cos A}{cosec A + \cot A - 1} = 1

Prove the following trigonometric identities:

$s e c A (1 - s i n A) (s e c A + t a n A) = 1$

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