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If int sec^(2) x "cosec"^(4) x dx =-1/3 ...

If `int sec^(2) x "cosec"^(4) x dx =-1/3 cos^(3)x + k tanx - 2cot x+c`, then k is equal to

A

4

B

3

C

2

D

1

Text Solution

Verified by Experts

The correct Answer is:
D
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