Saturday, February 11, 2012

Plane Curves: Trisectrix of Maclaurin (polar)

Trisectrix of Maclaurin (polar)

The trisectrix of Maclaurin is a cubic plane curve notable for its trisectrix property, meaning it can be used to trisect an angle. It can be defined as locus of the points of intersection of two lines, each rotating at a uniform rate about separate points, so that the ratio of the rates of rotation is 1:3 and the lines initially coincide with the line between the two points. A generalization of this construction is called a sectrix of Maclaurin.

Get copyable formulas for Trisectrix of Maclaurin (polar) from Differential Geometry Library (MathML, TeX, Mathematica input, Maple input)

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