A complex rotation is a map of the form 
, where 
is a real number, which corresponds to counterclockwise
rotation by 
radians about the origin
of points the complex plane.
Complex Rotation
See also
Complex Magnification, Complex Map, Complex Translation, RotationThis entry contributed by David Terr
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Cite this as:
Terr, David. "Complex Rotation." From MathWorld--A Wolfram Web Resource, created by Eric W. Weisstein. https://mathworld.wolfram.com/ComplexRotation.html