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If int (sinx)/(sin^(2)x+4cos^(2)x)dx=-(1...

If `int (sinx)/(sin^(2)x+4cos^(2)x)dx=-(1)/(sqrt(3))tan^(-1)((sqrt(3))/f(x))+c`,then f(x) equals :

A

`sin x`

B

`cos x`

C

`tan x `

D

`sec x`.

Text Solution

Verified by Experts

The correct Answer is:
B
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