Analytic geometry, for technical schools and colleges (1897)
Lambert, Preston Albert, 1862-1925 · New York, Macmillan · leaf 194
= -cos a -|-—cosr y + -C0Sy7 that cos 0 = cos a COS a + cos /3 cos (3 + cos y cos y. (1) * The sum of the projections ofthe parts of a broken line on anystraight Hne is the part of the lineincluded between the projections oftlie extremities of the broken line.a!) is the projection of AB ; be is… … Fio. 162. 180 ANALYTIC GEOMETRY If the equations of the lines are written in the form X = az + a, y — bz + (3] x= az + «,?/ = bz + (3, the equations of parallel lines through the origin are X = az, y = bz; x = az, y — bz.Let (x, y, z) be any point of the first line, its distance fromthe origin r.…
Geometry, Analytic
Internet Archive · California Digital Library · Public Domain Mark 1.0. Free to use for anything.
