arccos

Syntax

double arccos(double x);

Function

Calculates arccosine of x.

Parameters

x Value between –1 and 1 whose arccosine is to be calculated. Values outside this range cause a CAPLruntime error.

Return Values

Arcus Cosine of x.

double x;x = arccos(0); // result PI/2x = arccos(1); // result 0

arcsin | arctan