acos

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Inverse Cosine Function: acos

Syntax

y = acos ( x )

x, y

See the Possible Types for a unary standard math function.

Atomic

This is an atomic operation .

Derivative

\[\R{acos}^{(1)} (x) = - (1 - x * x)^{-1/2}\]

Example

The file acos.cpp contains an example and test of this function.