Observe a figura, calcule X e determine.
a) Sen B=
b) Cos B=
c) Tg B=
d) Sen C=
e) Cos C=
f) Tg C=
a) Sen B=
b) Cos B=
c) Tg B=
d) Sen C=
e) Cos C=
f) Tg C=
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17^2 = 15^2 + x^2
x^2 = 17^2 - 15^2 = 289 - 226
x^2 = 64
x= Raiz 64
X = 8