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if f(x)=tanx,g(x)=sqrt(x),h(x)=(1-x^(2))...

if `f(x)=tanx,g(x)=sqrt(x),h(x)=(1-x^(2))/(1+x^(2))` and `phi(x)=(ho(gof))(x)`, then `phi((pi)/(3))` is equal to

A

`tan((pi)/(12))`

B

`tan((11pi)/(12))`

C

`tan((7pi)/(12))`

D

`tan((5pi)/(12))`

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The correct Answer is:
A
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