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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 dg(5/4=1,` then `(gof)(x)` is ____________

A

a polynomial fo first degree in sin x and cos x

B

a constant function

C

a polynomial of second degree in sin x and cos x

D

None of these

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The correct Answer is:
B
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