If f : R → R is such that f (x) = sin x and g : R → R is such that – InterviewSolution

1.

If f : R → R is such that f (x) = sin x and g : R → R is such that g(x) = x2, then composite function fog is(a) sin x (b) x2 (c) sin2 x (d) sin x2

Answer»

Answer : (d) sin x²

fog (x) = f (g(x)) = f (x²) = sin x².

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