Determine two pairs of polar coordinates for the point (12, 12) with 0° ≤ θ < 360°.
r = 12sqrt(2)
θ = arctan ( 12/12) = arctan (1) = pi/4
So
(12sqrt 2 * cos (pi/4) , 12 sqrt (2) , sin (pi/4) )
Also .... add pi to pi/4 = 5pi/4 make r negative
(-12sqrt (2) cos ( 5pi/4) , -12sqrt (2) sin (5pi.4) )
