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Cochloid
Example plots
Alternate name
Equations
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
Properties
algebraic | cissoid | conchoid | parametric | polar | quartic | trisectrix
Basic properties
d = 4