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int (cos 2x)/((sin x + cos x)^(2))dx is ...

`int (cos 2x)/((sin x + cos x)^(2))dx` is equal to

A

`(-1)/(sin x+ cos x)+C`

B

`log| sinx + cos x|+C`

C

`log|sin x- cos x|+C`

D

`(1)/((sin + cos x)^2)`

Text Solution

Verified by Experts

The correct Answer is:
B
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