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On the Equation of a Pair of Tangents to a Conic

Published online by Cambridge University Press:  15 September 2014

A. H. Anglin
A. H. Anglin
Affiliation:
Queen's College, Cork
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Extract

The equation to the pair of tangents from the point (x′, y′) to the conic φ(x, y) = 0 is usually obtained in the form

where T = 0 is the equation to the chord of contact. This equation admits of reduction; and we propose to obtain the reduced form independently, and to supply its geometrical interpretation.

Type
Proceedings
Information
Proceedings of the Royal Society of Edinburgh , Volume 24 , 1904 , pp. 413 - 414
Copyright
Copyright © Royal Society of Edinburgh 1904

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