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int(sinx)/(sqrt(cos2x))dx=...

`int(sinx)/(sqrt(cos2x))dx=`

A

`(-1)/(sqrt2)log[sqrt2 cos x+sqrt(cos2x)]+c`

B

`(-1)/(sqrt2)log[sqrt2 cos x+sqrt(2sin^(2)x-1)]+c`

C

`(-1)/(sqrt2)log[sqrt2 cos x+sqrt(1-2cos^(2)x)]+c`

D

`(-1)/(sqrt2)sec^(-1)(2cos^(2)x-1)+c`

Text Solution

Verified by Experts

The correct Answer is:
A
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