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 248
h ,• — 1/ — 2 = 0 as directrix, focus at (4. 0). eccentricity |, 3. Find the axis, vertex, latus rectum, and sketch the parabola withfocus at (2, — 2) and 2 :■ — 3 y — 5 = 0 as directrix (see Ex. 2). 4. Prove the statement at the end of § 244. 5. Find the equation of the ellipse of major axis 5… … relation between the old coordinates OQ = :c. QP = y of anypoint P and the new coordinates OQi = Xy. Q^P=y^ of thesame point P are seen from the figure to be (4) # f v \ X = x\ cos ty — y^ sin (i) y = :/•, sm d + yi cos d.By solving for j\, y^, ov again from Fig. 101, we find .Il = X cos ^ -f y sin…
Geometry, Analytic
Internet Archive · Public Domain Mark 1.0. Free to use for anything.
