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InverseFunction

InverseFunction[f]
represents the inverse of the function f, defined so that InverseFunction[f][y] gives the value of x for which f[x] is equal to y.
InverseFunction[f, n, tot]
represents the inverse with respect to the n^(th) argument when there are tot arguments in all.
The "inverse function" of Sin is ArcSin:
Symbolic inverse function:
Derivative of an inverse function:
The "inverse function" of Sin is ArcSin:
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Symbolic inverse function:
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Derivative of an inverse function:
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