Support

Equilla Formula Language

Atn

Returns the arc tanget of the expression.

Inputs

Expression
Numeric: The expression to evaluate
TrigMode
Numeric: (Optional) Specifies the trigonometric mode for the function. The default value is specified by the TrigMode meta property.

Trigonometric Modes

TrigModeRadians Arguments to trigonometric functions are passed as radians.
TrigModeDegrees Arguments to trigonometric functions are passed as degrees.

Examples

Print 0.7853981633974
Print( Atn( 1 ) );

See also:

TrigMode; Cos; Cot; Sin; Tan;