Returns the arccosine of a number.
Syntax
ACOS (Number)
Data Type of the Argument
Number, Integer. Must be between -1 and 1.
Data Type of the Result
Angle
Expression
ACOS (-0.5)
Result
120 deg
Notes
Angle unit of the result (e.g. degrees, radians, grad) depends on what you set in Project Preferences – Calculation Units – Angle Units.