.ModelicaReference.Operators.'acos()'

Information

Trigonometric inverse cosine function

Syntax

acos(u)

Description

Returns the inverse of cos of u, with -1 ≤ u ≤ +1. Argument u needs to be an Integer or Real expression.

The acos function can also be accessed as Modelica.Math.acos.

acos

Examples

acos(0)
 = 1.5707963267949

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