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Definitions

Poinsot's spirals

Poinsot's spirals

In mathematics, Poinsot's spirals are two spirals represented by the polar equations

r=a,operatorname{csch}(ntheta)

r=a,operatorname{sech}(ntheta)

where csch is the hyperbolic cosecant, and sech is the hyperbolic secant.

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Last updated on Wednesday July 18, 2007 at 19:51:46 PDT (GMT -0700)
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