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If f(x) = (X^(2))/(1+x^(2)) and g(x) = s...

If f(x) = `(X^(2))/(1+x^(2))` and g(x) = sin x then `int fo g (x) cos x dx` is

A

`sin x - tan^(-1) (sin x ) + C`

B

`cos x + tan ^(-1) (cos x) + C`

C

`sin x + 2 tan ^(-1) (sin x) + C`

D

none of these

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The correct Answer is:
A
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