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int(1)/(2+cos2x)=dx...

`int(1)/(2+cos2x)=dx`

A

`(1)/(2sqrt(3))Tan^(-1)((1)/(sqrt(3))tanx)+c`

B

`(1)/(sqrt(3))Tan^(-1)((1)/(sqrt(3))tanx)+c`

C

`(1)/(sqrt(3))Tan^(-1)((1)/(sqrt(2))tanx)+c`

D

none

Text Solution

Verified by Experts

The correct Answer is:
B
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