cochloid

x(t) = cos(t) (a sec(t) + b) y(t) = sin(t) (a sec(t) + b)

b^2 x^2 = (x - a)^2 (x^2 + y^2)

r(θ) = a sec(θ) + b

algebraic | cissoid | conchoid | parametric | polar | quartic | trisectrix

d = 4