The elements of plane analytic geometry. A text-book including numerous examples and applications, and especially designed for beginners (1903)
Briggs, George R. (George Russell), b. 1853, Bôcher, Maxime, 1867-1918 · New York, J. Wiley & sons; [etc., etc.] · leaf 45
OX). We will next find the equation of the straight line in terms ofthese arbitrary constants. Let A B repre-sent any line inthe plane, O Qthe perpendicularupon it from O,and XO Q theangle which de-termines the di-rection of O Q.O Q IS measuredfrom O; and theangle is measuredfrom O X \c^ O Q. We… … 38 ANALYTIC GEOMETRY. Let P be any point of A B, with coordinates x = O M,y — 3f P. From M draw perpendiculars to 6^ ^ and A Bmeeting tliem in R and S respectively.From the figure and § 3 we have QOV=QOX^XOY=XOV-XOQ o= 90 — a. If we always take 7 and ^on J/^ and MP respectively, sothat J/7shall…
Geometry, Analytic -- Plane
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