Tschirnhausen cubic
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English
[edit]![](http://upload.wikimedia.org/wikipedia/commons/thumb/6/69/CubiqueTschirnhausen.svg/220px-CubiqueTschirnhausen.svg.png)
Alternative forms
[edit]Etymology
[edit]Named after Ehrenfried Walther von Tschirnhaus (1651–1708), German mathematician, physicist, physician, and philosopher. The name was first used in a 1900 paper by R. C. Archibald.
Noun
[edit]Tschirnhausen cubic (plural Tschirnhausen cubics)
- (geometry) A plane curve defined, in its left-opening form, by the polar equation where sec is the secant function.