Rolling circle on cosine: Difference between revisions
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A WASSERMANN (talk | contribs) No edit summary |
A WASSERMANN (talk | contribs) No edit summary |
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<jsxgraph width="0" height="0" box="nix"></jsxgraph> | <jsxgraph width="0" height="0" box="nix"></jsxgraph> | ||
<html> | <html> | ||
<script type="text/javascript" src="/~alfred/jsxgraph/trunk/src/Complex.js"></script> | |||
<script type="text/javascript" src="/~alfred/jsxgraph/trunk/src/Roulette.js"></script> | <script type="text/javascript" src="/~alfred/jsxgraph/trunk/src/Roulette.js"></script> | ||
<form> | <form> | ||
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var C = brd.create('point',[0,1],{name:'C'}); | var C = brd.create('point',[0,1],{name:'C'}); | ||
var circle = brd.create('curve',[ | var circle = brd.create('curve',[ | ||
function(t){var d = P.Dist(C); | function(t){var d = P.Dist(C), | ||
beta = JXG.Math.Geometry.rad([C.X()+1,C.Y()],C,P); | |||
t += beta; | |||
return C.X()+d*Math.cos(t); | return C.X()+d*Math.cos(t); | ||
}, | }, | ||
function(t){var d = P.Dist(C); | function(t){var d = P.Dist(C), | ||
beta = JXG.Math.Geometry.rad([C.X()+1,C.Y()],C,P); | |||
t += beta; | |||
return C.Y()+d*Math.sin(t); | return C.Y()+d*Math.sin(t); | ||
}, | }, | ||
