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int (sec^(8)x)/("cosec"x)dx=...

`int (sec^(8)x)/("cosec"x)dx=`

A

`(sec^(8)x)/(8) +c`

B

`(sec^(7)x)/(7)+c`

C

`(sec^(6)x)/(6)+c`

D

`(sec^(9)x)/(9)+c`

Text Solution

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The correct Answer is:
B
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