If the integral int(cos8x+1)/(cot2x-ta...

If the integral
`int(cos8x+1)/(cot2x-tan2x)dx=Acos8x+k`, where k is an arbitrary constant, then A is equal to

A

`-(1)/(16)`

B

`(1)/(16)`

C

`(1)/(8)`

D

`-(1)/(8)`

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The correct Answer is:

1

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