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If f(x)=sin2x and the composite functions gf(x)=sinx, then the functions g(x)=
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a
x−1
b
x
c
x+1
d
−x
answer is B.
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Detailed Solution
gof(x)=sinx and f(x)=sin2x⇒gsin2x=sinx∴ g(x)=x
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