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cot^(-1)(sqrt(cosalpha))-tan^(-1)(sqrt(c...

`cot^(-1)(sqrt(cosalpha))-tan^(-1)(sqrt(cosalpha))=x`, then sin x =

A

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

B

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

C

`tan alpha`

D

`cot (alpha)/(2)`

Text Solution

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The correct Answer is:
A
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