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Evaluate: int1/(cos(x-a)cos(x-b))\ dx...

Evaluate: `int1/(cos(x-a)cos(x-b))\ dx`

A

`(1)/(cos(b-a))log|cos(x-b)/cos(x-a)|+c`

B

`(1)/(cos(b-a))log|cos(x-a)/cos(x-b)|+c`

C

`(1)/(sin(b-a))log|cos(x-b)/cos(x-a)|+c`

D

`(1)/(sin(b-a))log|cos(x-a)/cos(x-b)|+c`

Text Solution

Verified by Experts

The correct Answer is:
C
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