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int (1)/(sin x . "" cos ^(2)x)dx=...

`int (1)/(sin x . "" cos ^(2)x)dx=`

A

`sec x +log |sec x +tan x|+c`

B

`sec x.tan x+c`

C

`sec x +log |sec x-tan x|+c`

D

`sec x-log | "cosec "x+cot x | +c`

Text Solution

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The correct Answer is:
D
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