Analytic geometry and principles of algebra (1913)
Ziwet, Alexander, 1853-1928, Hopkins, Louis Allen, joint author, Hedrick, E. R. (Earle Raymond), 1876-1943 · New York, The Macmillan Company · leaf 233
eccentric angle of the pointP (x, y) of the ellipse. In the case of the hyperbola the eccentric angle 6 determinesthe point Pix, y) as follows (Fig. 95). Let a line through 0inclined at the angle 6 to the trans-verse axis meet the circle of radiusa about the center at A, and let thetransverse axis… … Fig. 94
Geometry, Analytic
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