Question

calcule as razões trigonométricas

Answer 1

a) Sen x = cat. op./hipotenusa
=> Sen x = 12/20
=> Sen x = 3/5.
=> x = 37°

b) Cos x = cat. adj./hipotenusa
=> Cos x = 16/20
=> Cos x = 4/5
=> x = 37°

c) Tg x = cat. op./cat. adj.
=> Tg x = 12/16
=> Tg x = 3/4
=> x = 37°