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Evaluate: int1/(cos2x+3sin^2x)\ dx...

Evaluate: `int1/(cos2x+3sin^2x)\ dx`

A

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

B

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

C

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

D

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

Text Solution

Verified by Experts

The correct Answer is:
A
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