ACOS

The ACOS function returns a numeric value in radians that approximates the arccosine of the argument specified.

The function type is numeric.

Format

Read syntax diagramSkip visual syntax diagramFUNCTION ACOS(argument-1)
argument-1
Must be class numeric. The value of argument-1 must be greater than or equal to -1 and less than or equal to +1.

The returned value is the approximation of the arccosine of the argument and is greater than or equal to zero and less than or equal to Pi.