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cos²x +sin²x =1 (Pythagora in the unit circle)
Autor:
Daniel Mentrard
Topico(s):
Circunferência
,
Cosseno
,
Seno
,
Trigonometria
,
Círcunferência Trigonométrica
http://dmentrard.free.fr/GEOGEBRA/Maths/cossincarreMD.html
http://dmentrard.free.fr/GEOGEBRA/Maths/cossincarreMD.html
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