Tentukan koordinat cartesius (5,225°)

[tex]x = r \cos( \alpha ) [/tex]
x = 5 cos 225°
= 5 1/2 ✓2
= 5/2√2

[tex]y = r \sin( \alpha ) [/tex]
y = 5 sin 225°
= 5 1/2 √2
= 5/2 √2