SOLUTION: Given the function = In(x^2-1)/sin(2x) find the following f(f^-1(415))

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Question 1033652: Given the function = In(x^2-1)/sin(2x)
find the following f(f^-1(415))
Answer by fractalier(6550) About Me  (Show Source):
You can put this solution on YOUR website!
Since a function undoes its inverse, we have
f(f^-1(x)) = f^-1(f(x)) = x
Thus
f(f^-1(415)) = 415
provided the inverse exists...