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 173
described by a point receding,according to some fixed law, along a straight line thatrevolves about one of its points. There are a number of 164 Analytical Geometry. spirals, one of which will illustrate this type of curve. Therevolving line is called the radius vector and the angle itmakes, in any… … Fig. 65. Calling the radius vector, r; the vectorial angle 6 and theconstant C, we have by definition, r 6= C. To construct it when C = 11, then r = — • Analytical Geometry. 165 Make a table of values for r, as follows;When 0 = o, r = 00, ^ = 3^. 0 = *, (45°), r= i4. 4 7T 3 (6o°), r = 10.5 5£12…
Geometry, Analytic · Calculus
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