If \( f(x)=\sin ^{2} x+\sin ^{2}(x+\pi / 3)+\cos x \cos (x+\pi / 3) \) and \( g(5 / 4)=1298 \) t....

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If \( f(x)=\sin ^{2} x+\sin ^{2}(x+\pi / 3)+\cos x \cos (x+\pi / 3) \)
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and \( g(5 / 4)=1298 \) then \( \frac{1}{649} g \circ f(x) \) is equal to
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