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The function f(x)=Tan^(-1) (sinx+cosx) i...

The function `f(x)=Tan^(-1) (sinx+cosx)` is an increasing function in

A

`(-pi//2,pi//4)`

B

`(pi//4, pi//2)`

C

`(0.pi//2)`

D

`(-pi//2,pi//2)`

Text Solution

Verified by Experts

The correct Answer is:
A
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