Tentukan koordinat cartesius dari titik P (8,120°) please jawab

[tex]
P(8,120\degree)=P\left(8\cos{120\degree},8\sin{120\degree}\right)=P\left(8\cdot\left(-\frac{1}{2}\right),8\cdot\frac{\sqrt{3}}{2}\right)=P\left(-4,4\sqrt{3}\right)[/tex]