The trigonometric function (Arc Tangent 2 Fn Y
X) performs the trigonometric arctangent operation on
Y/X and returns an angle in the range from -PI to PI
expressed in radians, using the signs of the parameters to determine
the quadrant. The result is valid even if X is 0 (angle
is PI/2 or -PI/2).
(Arc Tangent 2 Fn Y X)performs the trigonometric arctangent operation onY/Xand returns an angle in the range from -PI to PI expressed in radians, using the signs of the parameters to determine the quadrant. The result is valid even ifXis 0 (angle is PI/2 or -PI/2).