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Rolling Epicycloids
Author:
Malin Christersson
As described by John Baez (and commenters) at:
http://johncarlosbaez.wordpress.com/2013/12/03/rolling-hypocycloids
Javascript and GeoGebra versions at:
http://www.malinc.se/m/RollingHypocycloids.php
GeoGebra
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Piano. Keyboard.
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Bottema's Theorem
Cross Product in 2D and 3D
Slope of a Straight Line: Run and Rise
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Triangle Tessellation step 6
Tangensfunktionen
Euler Line Project
Volume of revolution of the area bounded by two functions
Discover Topics
Scatter Plot
Line Segment
Percentages
Incircle or Inscribed Circle
Trigonometry