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cot^(-1)(sqrtcosalpha)-tan^(-1)(sqrt(cos...

`cot^(-1)(sqrtcosalpha)-tan^(-1)(sqrt(cos alpha))=x`, then sin x is equal to a)`tan^2""alpha/2` b)`cot^2""alpha/2`c)`tan alpha` d)`cot ""alpha/2`

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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