An elementary treatise on coordinate geometry of three dimensions (1912)
Bell, Robert J. T. (Robert John Tainsh), 1877-1963 · London : Macmillan and co., limited · leaf 35
xis ; (iv) a cone whose vertex is at O ; (v) a surface generatedby circles whose planes pass through OZ and whose dimensions varyas the planes rotate about OZ ; (vi) a cylinder whose generators areparallel to OZ, and whose section by the plane 2 = 0 is the curve f(u, 4>)=o. 10. The equations to… … Pig. 7. Fig. 7 shews part of the curve of intersection of the spherex2 + y + zi = a2 and the right circular cylinder x1 + y1 = ax. Thecylinder which projects the curve on the plane x = 0 is also shewn.Its equation is a?(yi-z2) + z4 = 0. The projection of the curveon the plane ZOX is the parabola…
Geometry, Analytic
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