cos²x +sin²x =1 (Pythagora in the unit circle)

Author:Daniel Mentrard

Topic:Circle, Cosine, Sine, Trigonometry, Unit Circle

http://dmentrard.free.fr/GEOGEBRA/Maths/cossincarreMD.html

http://dmentrard.free.fr/GEOGEBRA/Maths/cossincarreMD.html

http://dmentrard.free.fr/GEOGEBRA/Maths/cossincarreMD.html

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