Syntractrix
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A syntractrix is a curve of the form
![](http://upload.wikimedia.org/wikipedia/commons/thumb/6/68/Syntractrix_a%3D0.5_b%3D1.png/350px-Syntractrix_a%3D0.5_b%3D1.png)
![](http://upload.wikimedia.org/wikipedia/commons/thumb/a/a2/Syntractrix_a%3D1.5_b%3D1.png/350px-Syntractrix_a%3D1.5_b%3D1.png)
It is the locus of a point on the tangent of a tractrix at a constant distance from the point of tangency, as the point of tangency is moved along the curve.[2]
References
- ^ George Salmon (1879). A Treatise on the Higher Plane Curves: Intended as a Sequel to A Treatise on Conic Sections. Published by Hodges, Foster, and Figgis. Page 290. [1]
- ^ Dionysius Lardner, A system of algebraic geometry 1823, p. 261–263 [2]