The inverse curve of the Archimedean spiral
with inversion center at the origin and inversion radius is the Archimedean spiral
The inverse curve of the Archimedean spiral
with inversion center at the origin and inversion radius is the Archimedean spiral
Weisstein, Eric W. "Archimedean Spiral Inverse Curve." From MathWorld--A Wolfram Web Resource. https://mathworld.wolfram.com/ArchimedeanSpiralInverseCurve.html