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int 1/(1+tanx) dx...

`int 1/(1+tanx) dx`

A

`(1)/(2)(x+log|sinx+cosx|)+c`

B

`(1)/(2)(x-log|sinx+cosx|)+c`

C

`x+log|sinx+cosx|+c`

D

`x-log|sinx+cosx|+c`

Text Solution

Verified by Experts

The correct Answer is:
A
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