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((System Query Functions))_AD
System Query((Trigonometry Functions))_AD
Query_Lang-SystemFunctions_Trigonometry_ATANATAN_AD
Created: 八月 02, 2022 | Updated: 八月 02, 2022
| Applies to version: 21
This document is no longer available beyond version 21.0. Information can now be found here: ATAN for version 25
Parent page: System Query Functions - Trigonometry Functions
Summary
Returns a (real) number whose value is equal to the angle of the inverse tangent of the number specified by the parameter's numeric value; that angle is in units of radians (and not degrees).
Syntax
ATAN(X : Number / Numeric_String) : Number
Example Usage
ATAN(0)
Returns 0.
ATAN(1)
Returns 0.7854.
ATAN(2.5)
Returns 1.1903.