Loney, S. L. (Sidney Luxton), 1860-1939 · London, Macmillan and co. · leaf 275
h equiconjugate is, by Art. 286, 290. Supplemental chords. Def. The chordsjoining any point P on an ellipse to the extremities, P andPj of any diameter of the ellipse are called supplementalchords. Supplemental chords are parallel to conjugate diatneters. 17—2 260 COORDINATE GEOMETRY. Let P be the… … and X ^+180° + ^! 2/ . ^+180°+^_ <^_180°-^ — cos ;r -r ^ Sm ^;; —• COS -z: a 2 b 2 2 *.e. - - sm ^Hr^ + y cos ^ ^ ^^ = sm ^ ^ ^\.. (2). a 2 6 2 2 ^ The « m of the straight line (1) = cot t±il. The m of the line (2) = - tan ^^^. CO A IfThe product of these ms = g, so that, by Art. 281, the lines…
Coordinates · Geometry, Analytic
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