Creating a Cardioid, a Nephroid and Other Epicycloids

http://demonstrations.wolfram.com/CreatingACardioidANephroidAndOtherEpicycloids The Wolfram Demonstrations Project contains thousands of free interactive visualizations, with new entries added daily. This Demonstration shows a cardioid traced by a point on a circle rolling around another circle of the same radius (r=2). Different types of epicycloids can be seen with different radius values, for instance, a nephroid (for r=3). For large r parameters... Contributed by: Pablo Noguerol Lopez de los Monteros Audio created with WolframTones: http://tones.wolfram.com/

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