Schmall, Charles Nelson. [from old catalog] · New York, D. Van Nostrand company · leaf 84
= i p Pi sin {0 - B^)+ h PP2 sin (^2 - ^)-. pp^ sin {0 — 6^ + Pi/32 sin (6>i — ^2) + P2P sin (^2 — ^) = C),sin (6^ - 6>2) sin (^3 - ^) sin (^ - 6,) _ ^P Pi Vi THE STRAIGHT LINE 67 This result can be easily remembered in the determinantform, yiz.: 0. 41. Equation in terms of the _L on the… … Fig. 77. V ^ COS {e - a) ^which is the equation required. Discussion. (1) If the given line CB is ± to the initial line a = 0,and the equation becomes ^ cos ^which is the equation of a line perpendicular to the initial line. * Note. —This equation p = /3 cos (^ — a)gives V ^ P [cos ^ cos a + sin d…
Geometry, Analytic
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