7.20.5 atan2 Method

Returns the angle (in radians) from the X axis to a point (y,x).
Syntax
Math.atan2(y, x)
Arguments
- x
- A numeric expression representing the cartesian x-coordinate. Required.
- y
- A numeric expression representing the cartesian y-coordinate. Required.
Remarks
The return value is between -pi and pi, representing the angle of the supplied (y,x) point.
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