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Evaluate int(sec^2xtanx)/(sec^2x+tan^2x)...

Evaluate `int(sec^2xtanx)/(sec^2x+tan^2x)dx`

A

`(-1)/(2)log|sec^2 x+tan^2x|+c`

B

`(1)/(2)log|sec^2 x+tan^2x|+c`

C

`(-1)/(4)log|sec^2 x+tan^2x|+c`

D

`(1)/(4)log|sec^2 x+tan^2x|+c`

Text Solution

Verified by Experts

The correct Answer is:
D
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