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Sinusoidal Spiral Pedal Curve


SinusoidalSpiralPedalCurve

The pedal curve of a sinusoidal spiral

 r=a[cos(nt)]^(1/n)

with pedal point at the center is another sinusoidal spiral with polar equation

 r=a[cos(nt)]^(1+1/n).

A few examples are illustrated above.


See also

Pedal Curve, Sinusoidal Spiral

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Cite this as:

Weisstein, Eric W. "Sinusoidal Spiral Pedal Curve." From MathWorld--A Wolfram Web Resource. https://mathworld.wolfram.com/SinusoidalSpiralPedalCurve.html

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