Analytic geometry, for technical schools and colleges (1897)
Lambert, Preston Albert, 1862-1925 · New York, Macmillan · leaf 77
ie angle between the oblique axes being 45: 1. Locate the points (3, - 2); (- 5, 4); (0, 8); (- 4, - 7); (2i, - 3); Observe that the geometricfigure represented by an equa-tion depends on the system ofcoordinates used in plotting theequation. 4. Find the equation of astraight line referred to… … TRAysFOnMAriON OF COOIiDrXATES 03 rcctancjular axes sliows tliat the equation of a strai,i,lit line referred tooblique axes is y = vix + «, where in — of the line on the I-axis. sni (/S — a) and n is the intercept 5. Show that V (x - x)^ + (y - y)^ + 2(3; - x) {y - y) cos /3 isthe distance between…
Geometry, Analytic
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