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int (1)/(2 + cos 2 x ) dx =...

`int (1)/(2 + cos 2 x ) ` dx =

A

`(x)/(3)+ c `

B

`(1)/(sqrt(3)) tan^(-1) ((tan X)/(sqrt(3))) + C`

C

`(1)/(sqrt(3)) tan^(-1) ((tan X)/(sqrt(2))) + C`

D

`(1)/(sqrt(2)) tan^(-1) ((tan X)/(sqrt(2))) + C`

Text Solution

Verified by Experts

The correct Answer is:
B
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