Trisecting an Angle Using Tschirnhaus's Cubic
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This Demonstration illustrates a property of Tschirnhaus's cubic, which has polar equation . Namely, that the angle
between the tangent
and the normal
to the radius vector
at a given point
on the curve is one-third of the polar angle
of the point.
Contributed by: Izidor Hafner (January 2013)
Open content licensed under CC BY-NC-SA
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The curve is also known as Catalan's trisectrix or l'Hospital's cubic.
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