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File:Conics from half-tangents.png

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English: An ellipse or hyperbola is often defined as the locus of points with constant sum (resp. difference) of distances from the two foci. Alternatively, it is the locus of points with the same product (resp. ratio) of half-tangents for angles constructed from the foci.
Date
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Author Jacob Rus

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Captions

An ellipse or hyperbola is often defined as the locus of points with constant sum (resp. difference) of distances from the two foci. Alternatively, it is the locus of points with the same product (resp. ratio) of half-tangents at the foci

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18 January 2023

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0787d9feee9dafe8cd6a6ef8d02ee6a4c8df62f5

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current04:14, 19 January 2023Thumbnail for version as of 04:14, 19 January 20231,584 × 1,168 (252 KB)JacobolusUploaded own work with UploadWizard
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