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If f(x)=((sin^(2)x)/(1+cotx))+(cos^(2)x)...

If `f(x)=((sin^(2)x)/(1+cotx))+(cos^(2)x)/(1+tan)`, then `f'((pi)/(4))` is :

A

`sqrt(3)`

B

`(1)/(sqrt(3))`

C

0

D

`-sqrt(3)`

Text Solution

Verified by Experts

The correct Answer is:
C
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