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TRIGONOMETRIA, Sinus de a = oposat / hipotenusa, Cosinus de a = adjacent /…
TRIGONOMETRIA
TEOREMA DE PITÀGORES
MESURA D'ANGLES
RADIAN
SOHCAHTOA
Raons trigonomètriques inverses
TEOREMA DE TALES
Sinus de a = oposat / hipotenusa
a / c
Cosinus de a = adjacent / hipotenusa
b / c
Tangent e a = oposat / adjacent
a / b
Cosec a = 1 / sin a
Sec a = 1 / cos a
cotg a = 1 / tg a
1 grau= 60 minut = 3600 segons
1º= 60' = 3600''
360º= 2pi rad
