question_answer

If \[f(x)\,\,=co{{s}^{2}}\,x+co{{s}^{2}}\left( x+\frac{\pi }{3} \right)+sin\text{ }x\text{ }sin\,\left( x+\frac{\pi }{3} \right)\]and\[g\text{ }\left( \frac{5}{4} \right)=3\], then (gof)(x) is equal to __.

A)  1                     

B)  2

C)  3                

D)  None of these