Find polar coordinates

Polar form is ( r, θ)

r = sqrt  [ (2√3)^2 + (-2)^2 ]   = sqrt [ 12 + 4]   = 4

arctan [ -2/ (2√3) ]  =  arctan [ -1 / √3  ] = θ =  330°

So, polar form  is  ( 4, 330° )

BTW....this answer is not unique.....there are infinite possibilities.......