Ubahlah kordinat titik berikut menjadi kutub kordinat kutub A (2,2√3)

x=2
y=2√3

[tex]r \\ = \sqrt{ {x}^{2} + {y}^{2} } \\ = \sqrt{ {2}^{2} + {(2 \sqrt{3} )}^{2} } \\ = 4[/tex]
[tex] \alpha = arc \: tan( \frac{y}{x} ) \\ = arc \: tan( \frac{2 \sqrt{3} }{2} ) \\ = 60[/tex]
A(r,a)
A(4,60°)