51. DISCUSS: Two Different Compositions Let f and g be the functions f(x) = sin(sin'x) and g(x) = sin-(sin x) By the cancellation properties, f(x) = x and g(x) = x for suitable values of x. But these functions are not the same for all x. Graph both f and g to show how the func- tions differ. (Think carefully about the domain and range of sin-').

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A: To simplify: The expression . Formula used: Trigonometry identity:

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