Question

1. Determine o valor de x nos casos:
20
x
30°

6
45°
х

x
$\sqrt{?}$
10 3
60°​

Answer 1

a) x = 20. sen30 = 20. 1/2 = 10

b) x = 6. Cos45 = 6. √2/2 = 3√2

c) x = 10√3 / tg60 = 10√3/√3 = 10