A treatise on special or elementary geometry (1877)
Olney, Edward, 1827-1887, Olney, Edward, 1827-1887. Elements of trigonometry, plane and spherical · New York : Sheldon · leaf 424
i-tive circle, as B. Lay off one of the given sides, asc, from B on BNB. Let BA = c. Determine theextremity C of the projection of the other given sidea, as in Prob. 2, etc., and drawing the diameterAA, pass tlie arc through ACA; BCA is the pro-jection sought. Query.—Is this projection always… … 107. JProb. 2,—To project a spherical triangle tv7ie7i tivo sidesand an angle opposite one of tliem are given. Solution.—Let the given parts be a, 5, and B. Make the projection uponthe plane of tlie iinknowii side c. Thus, drawing the primitive circle and theconjugate diameters BB, NN, conceive c…
Geometry · Trigonometry
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