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6P-s-Tf2 7th point Tangent


Given 6 reference points P1, …, P6 and a random point P.

6P-s-Tf2(P) is the tangent at P to the unique circular cubic (see 7P-s-Cu1) defined by the seven points P, P1, …, P6.

Construction of a tangent at a circular cubic

See picture with description from [63], p.212/213 in the French language from Roger Cuppens.

Infovisual 6P-s-Tf2-infovisual-cvt-01.png



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