Dowling, L. Wayland (Linnaeus Wayland), b. 1867, Turneaure, F. E. (Frederick Eugene), 1866- · New York, H. Holt and company · leaf 120
^(A- + B-), or k = Therefore ± VA^ + £2 cos a = , SlU a = B :, and — p C . . (4) In order to determine which sign shall be given to the radicalin any numerical example, we shall assume that |> is always a positive number and then, from(4), the sign of the radical musthe opposite to the sign of… … 104 LOCI OF FIRST ORDER [Chap. VI. EXERCISES 1. Write the equations of the lines for which ; («) p = 5, a = 60°.(d) p = 0, a = 225°. (6) p = 5, a = 120°.(e) p = l, a = 45°. (c) p=-6, a = 330°.(/) p = 6, a =-60°. 2. Reduce the following equations to the normal form and plot the linesof which they…
Geometry, Analytic
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