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int(dx)/((1+cos2x)(1-tan^2 x))=...

`int(dx)/((1+cos2x)(1-tan^2 x))=`

A

`(1)/(2)log|sec2x+tan2x|+c`

B

`(1)/(4)log|sec2x+tan2x|+c`

C

`(1)/(2)log|secx+tanx|+c`

D

`(1)/(4)log|secx+tanx|+c`

Text Solution

Verified by Experts

The correct Answer is:
B
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