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Evaluate the following integrals: int(...

Evaluate the following integrals:
`int(cosx)/(cos(x+alpha))dx`

A

`x sin a+(cos a)log|cos(x+a)|+c`

B

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

C

`x cos a+(sin a)log|cos(x+a)|+c`

D

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

Text Solution

Verified by Experts

The correct Answer is:
D
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