Ubahlah kedalam koirdinat cartesius A(4,60°)

pakai ∆ istimewa
sudut = 60°
simir = 2x
y = x√3


simir = 2x
4 = 2x
x = 4 ÷ 2
x = 2

y = x√3
y = 2√3

koordinat cartesius
= (x , y)
= (2 , 2√3)

semoga membantu :)