int(0)^(pi//4)log ((sin x +cos x )/(cosx...

`int_(0)^(pi//4)log ((sin x +cos x )/(cosx))dx ` is equal to

A

`pi/4 log2`

B

`pi/2 log 2`

C

`pi/8 log 2`

D

`log 2`

Verified by Experts

The correct Answer is:

C

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