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Evaluate the following : int(0)^(pi//2...

Evaluate the following :
`int_(0)^(pi//2)(1)/(5+4 cos x)dx`

A

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

B

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

C

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

D

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

Text Solution

Verified by Experts

The correct Answer is:
D
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