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The functions f(x) = tan ^(-1) (sin x +...

The functions f(x) `= tan ^(-1) (sin x +cos x ) , x gt 0 ` is always an increasing functions on the interval :

A

`(pi/4,pi/2)`

B

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

C

`(0,pi/2)`

D

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

Text Solution

Verified by Experts

The correct Answer is:
B
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