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A conic theorem generalised: directed angles and applications
Published online by Cambridge University Press: 01 August 2016
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A new and general proof of theorem [1] is presented, which accommodates directed angles and covers all possible configurations of line and conic. A sign convention for the use of directed angles in this setting is developed, and examples are given showing how this fundamental theorem can be used to establish, much more directly and succinctly, the many tangent/focus properties of conies.
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- Research Article
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- Copyright © The Mathematical Association 2000
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