All you need is math love!
GGB Script
f(x,y) = cos(cos(x) + 2 * cos(y - abs(sin(x))))
# f(x,y) + 0 = 0
L(x,y) = 6 * ln(sqrt(x^2 + y^2))
A(x,y) = 6 * atan2d(y, x)
eq1: f(L(x,y), A(x,y)) + 0 = 0
SetBackgroundColor("Black")
CenterView((0,0))
f(x,y) = cos(cos(x) + 2 * cos(y - abs(sin(x))))
# f(x,y) + 0 = 0
L(x,y) = 6 * ln(sqrt(x^2 + y^2))
A(x,y) = 6 * atan2d(y, x)
eq1: f(L(x,y), A(x,y)) + 0 = 0
SetBackgroundColor("Black")
CenterView((0,0))