Report - Aula 10 – Triˆangulo Retˆangulo · PDF filecos Bˆ =cateto adjacente hipotenusa c a tg Bˆ = cateto oposto cateto adjacente = b c sen 2 B ˆ+cos 2 B = b 2 a2 + c a2 = 1 ⇒sen

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