Ubahlah koordinat kutub kekordinat kartesus P = 2,30 derajat

P (2,30°)
r = 2
alpha = 30°
x = r cos alpha
= 2 cos 30°
= 2 x 1/2√3
= √3

y = r sin alpha
= 2 sin 30°
= 2 x 1/2
= 1

Koordinat kartesius (x,y) = (√3,1)