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Evaluate: intsqrt(secx-1)\ dx...

Evaluate: `intsqrt(secx-1)\ dx`

A

`2lncosx/2+sqrt(cos^(2)x/2-1/2)+C`

B

`lncosx/2+sqrt(cos^(2)x/2-1/2)+C`

C

`-2lncosx/2+sqrt(cos^(2)x/2-1/2)+C`

D

`-2lnsinx/2+sqrt(cos^(2)x/2-1/2)+C`

Text Solution

Verified by Experts

The correct Answer is:
C
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