TRIGONOMETRICAL FUNCTIONS

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.