int(0)^(pi//2)(dx)/(2+cosx)=...

`int_(0)^(pi//2)(dx)/(2+cosx)=`

A

`1/(sqrt(3))tan^(-1)(1/(sqrt(3)))`

B

`sqrt(3)tan^(-1)(sqrt(3))`

C

`2/(sqrt(3))tan^(-1)(1/(sqrt(3)))`

D

`2sqrt(3)tan^(-1)(sqrt(3))`

Verified by Experts

The correct Answer is:

C

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