Analytic geometry for colleges, universities, and technical schools (1892)
Nichols, E. W. (Edward West), 1858- · Boston [Mass.] : Leach, Shewell & Sanborn · leaf 251
mined when two planeswhich intersect in that line are given. (See Art. 179.) Theequations of any two planes, therefore, may be considered asrepresenting a space line when taken simultaneously. Of theinfinite number of pairs of planes which intersect in and de-termine a space line, two of its… … Fig. so. THE STRAIGHT LINE. 237 Let PBM be the plane which projects a space line on XZ,then its equation will be of the form X ^= sz -{- a (see Art. 176, Cor.)in which s = tan ZBP and a = OA. Let PBM be the plane which projects the line on YZ,then its equation will be y=tz+b,in which t = tan ZBT…
Geometry, Analytic
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