Query_Lang-SystemFunctions_Trigonometry_ATANATAN_AD

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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.