Sine and cosine functions trace by rolling unit circle

Author:Daniel Mentrard

Topic:Circle, Cosine, Functions, Sine

http://dmentrard.free.fr/GEOGEBRA/Maths/Export5/CosinfuncmovMD.html

http://dmentrard.free.fr/GEOGEBRA/Maths/Export5/CosinfuncmovMD.html

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