If f(x)=sin^2x+sin^2(x+pi/3)+cosxcos(x+p...

If `f(x)=sin^2x+sin^2(x+pi/3)+cosxcos(x+pi/3)a n d g(5/4)=1,` then `(gof)(x)` is ____________

A

1) a polynomial fo first degree in sin x and cos x

B

2) a constant function

C

3) a polynomial of second degree in sin x and cos x

D

4) None of these

Verified by Experts

The correct Answer is:

B

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