This information is part of the Modelica Standard Library maintained by the Modelica Association.

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.

Examples

acos(0)
 = 1.5707963267949