Dowling, L. Wayland (Linnaeus Wayland), b. 1867, Turneaure, F. E. (Frederick Eugene), 1866- · New York, H. Holt and company · leaf 212
ne in pairsthree planes XOT, YOZ,and XOZ, called the coor-dinate planes. If through any point in space, as P, three planesare drawn parallel to the coordinate planes, they intersect thelinear scales in the points D, E, and F. The distances x = OD,y = OJE, and z = OF are the Cartesian coordinates of… … 196 SYSTEMS OF COORDINATES [Chap. X. tern of coordinates thus set up is called the Cartesian system ofcoordinates. When the axes, OX, OY, and OZ are miitually perpendicular,the system of coordinates is called rectangular or orthogonal. Ifthe axes are not mutually perpendicular, the system is…
Geometry, Analytic
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