1.

If \[f(x)=si{{n}^{2}}x+{{\sin }^{2}}\left( x+\frac{\pi }{3} \right)+\cos x\cos \left( x+\frac{\pi }{3} \right)\]and \[g\left( \frac{5}{4} \right)=1,\] then gof(x)=

A. 1
B. 0
C. \[\sin x\]
D. None
Answer» B. 0


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