Inverse Functions

What does the cos(sin^-1(.731353702)) = ?   It equals  .681998360   Why?
Because sin^-1(.731353702) = 47⁰  
cos 47⁰  = .681998360

Lets diagram this:
cos(sin^-1(.731353702))   →   cos (47⁰)    →  .681998360   Therefore cos(sin^-1(.731353702)) = .681998360

Why does the answer for sin (47⁰) differ from that of cos (47⁰) ?    answer

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