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ATAN

Deprecated version

This document refers to a deprecated version of the RQL programming language.

Please go here for documentation related to the latest supported version.

Arctangent, returns the angle in radians which tangent is specified by the value.

Syntax
ATAN(<double expression>)
Example
ATAN(0) // 0.0
ATAN(1) // Pi/4 ~= 0.78539816339
ATAN(-1) // -Pi/4 ~= -0.78539816339