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If f(x)=tan^(-1)sqrt((1+sinx)//(1-sinx))...

If `f(x)=tan^(-1)sqrt((1+sinx)//(1-sinx)),0le x lt pi//2`, then `f'(pi//6)` is

A

`-1//4`

B

`-1//2`

C

`1//4`

D

`1//2`

Text Solution

Verified by Experts

The correct Answer is:
D
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