B01-Trigonometria Flashcards by Gabriela Valenca | Brainscape

Q

sen de um ângulo=…

A

cos do seu complemento

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Q

lei dos senos

A

a/sen a=b/sen b= c/senc=2R

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Q

lei dos cossenos

A

a²=b²+c²-2.b.c.cos a

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Q

área de um triângulo em função de 2 lados e 1 ângulo

A

S=(a.b.sen angulo entre os lados)/2

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