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The function f(x)=tan^(-1)(sinx+cosx) is...

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

A

`(-pi/2, 0)`

B

`(0, pi/2)`

C

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

D

none of these

Text Solution

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The correct Answer is:
C
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