The epispiral is a plane curve with polar equation   r = a sec ⁡ n θ {\displaystyle \ r=a\sec {n\theta }} . There are n sections if n is odd and 2n if...

Trifolium Curve Astroid Atriphtaloid Nephroid Quadrifolium Epicycloid Epispiral Epitrochoid Hypocycloid Lissajous curve Poinsot's spirals Rose curve Bicuspid...

optimize the friction of the device against the rock. Archimedean spiral Epispiral List of spirals Mice problem, a geometric problem asking for the path...

Three-leaved clover Astroid Atriphtaloid Nephroid Quadrifolium Epicycloid Epispiral Epitrochoid Hypocycloid Hypotrochoid Lissajous curve Poinsot's spirals...

Quintic of l'Hospital Astroid Atriphtaloid Nephroid Quadrifolium Epicycloid Epispiral Epitrochoid Hypocycloid Lissajous curve Poinsot's spirals Rational normal...

Kepler problem. When C < 1 {\displaystyle C<1} , the solution is the epispiral, including the pathological case of a straight line when C = 0 {\displaystyle...

the equation is a positive real number, the solution corresponds to an epispiral. When the argument θ1 – θ0 equals ±90°×k, the cosine goes to zero and...

equiangular spiral; the fourth is the hyperbolic spiral; the fifth is the epispiral. For more information about their properties, reference should be made...