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int sin x/(sin 4x)dx...

`int sin x/(sin 4x)dx `

A

`1/8log |(1+sinx)/(1-sinx)|+1/(4sqrt2)log |(1+sqrt 2sin x)/(1-sqrt2sin x)|+c`

B

`1/8 log |(1-sinx)/(1+sin x)|+1/(4sqrt2)log |(1+sqrt2 sin x)/(1-sqrt2sinx)|+c`

C

`-1/8log |(1+sinx)/(1-sinx)|+1/(4sqrt2)log |(1+sqrt2sin x)/(1-sqrt2 sin x)+c`

D

`-1/8 log |(1+sinx )/(1-sinx)|-1/4sqrt2 log|(1+sqrt2sin x)/(1-sqrt2sinx)|+c`

Text Solution

Verified by Experts

The correct Answer is:
B, C
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