# Poinsot's spirals

Poinsot's spirals

In mathematics, Poinsot's spirals are two spirals represented by the polar equations:$r=a,operatorname\left\{csch\right\}\left(n heta\right)$:$r=a,operatorname\left\{sech\right\}\left(n heta\right)$where csch is the hyperbolic cosecant, and sech is the hyperbolic secant.

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