Inverse Functions

What does the sin(sin^-1(.731353702)) = ?   It equals  .731353702   Why?
Because sin^-1(.731353702) = 47⁰  
sin 47⁰  = .731353702

Lets diagram this:
sin(sin^-1(.731353702))   →   sin (47⁰)    →  .731353702   Therefore sin(sin^-1(.731353702)) = .731353702

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