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Created: August 2, 2022 | Updated: August 2, 2022
This document is no longer available beyond version 21. Information can now be found here: ACOS for version 23
Parent page: System Query Functions - Trigonometry Functions
Summary
Returns a (real) number whose value is equal to the angle of the inverse cosine of the number specified by the parameter's numeric value; that angle is in units of radians (and not degrees).
Syntax
ACOS(X : Number / Numeric_String) : Number
Example Usage
ACOS(0)
Returns 1.5708.
ACOS(0.5)
Returns 1.0472.
ACOS(1)
Returns 0.
