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int(1)/(cos^(2)x(1-tanx)^(2)). dx=...

`int(1)/(cos^(2)x(1-tanx)^(2)). dx=`

A

(a) `1/(tanx-1)+c`

B

(b) `1/(1-tanx)+c`

C

(c) `-1/(3(1-tanx)^(3))+c`

D

(d) `1/(2(1-tanx))+c`

Text Solution

Verified by Experts

The correct Answer is:
B
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