Mathematics for engineering students, Analytical geometry and calculus (1907)
Keller, S. S. (Samuel Smith), 1867-1923, Knox, W. F., [from old catalog] joint author · New York : D. Van Nostrand company · leaf 123
of P cuts the circle; R = intersection of circle-tangent, RP, with the axis. Then RP is the tangent to the ellipse. Supplemental Chords. Art. 81. The chords drawn from any point on anellipse to the extremities of the major axis are called sup-plemental chords. H4 Analytical Geometry. Let AP and AP… … The equation of AP, through the point A [whose co-ordinates are (o, —a)], and having slope m, is [by (C)] y = m [x + a) (2) multiplying (1) and (2) together, y2 = mm (x2 — a2) .... (3)which expresses the relation between the co-ordinates ofP, their intersection. But P (x, y) is on the ellipse,…
Geometry, Analytic · Calculus
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