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If cot^(-1)(sqrt(cosalpha))-tan^(-1)(sqr...

If `cot^(-1)(sqrt(cosalpha))-tan^(-1)(sqrt(cosalpha))=x ,` then `sinx` is `tan^2alpha/2` (b) `cot^2alpha/2` (c) `tan^2alpha` (d) `cotalpha/2`

A

`tan^(2)((alpha)/(2))`

B

`cot^(2)((alpha)/(2))`

C

`tan alpha`

D

`cot((alpha)/(2))`

Text Solution

Verified by Experts

The correct Answer is:
A
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