Question

Em cada caso,determine o valor de x ! Ajuda gente

Answer 1

a)

Sen30°=x/30

1/2=x/30

2x=30

x=30/2

x=15

b)

Cos60°=x/15,6

1/2=x/15,6

2x=15,6

x=15,6/2

x=7,8

d)

tgx°=14√3/42

tgx°=√3/3

tg30°=√3/3