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int dx/(sin x + cos x) =...

`int dx/(sin x + cos x) =`

A

`1/sqrt2 log tan (x + pi/4)`+c

B

`1/sqrt 2 log tan (x/2 + pi/8)`+c

C

`log tan( pi/2 + pi/8)`+c

D

0

Text Solution

Verified by Experts

The correct Answer is:
D
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