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int(cos4x-1)/(cotx-tanx)dx is equal to...

`int(cos4x-1)/(cotx-tanx)dx` is equal to

A

`-(1)/(2) cos4x+C`

B

`-(1)/(4)cos4x+C`

C

`-(1)/(2)sin2x+C`

D

none of these

Text Solution

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The correct Answer is:
D
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MCGROW HILL PUBLICATION-INDEFINITE INTEGRATION-EXERCISE (LEVEL 2 (SINGLE CORRECT ANSWER TYPE QUESTION ))
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