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 422
enuse or adjacent side, and the angle? EXAMPLES. 1. Having given B = 65°, and the hypotenuse a = 120°, to proiectthe triangle. See Fiff. 30. 2. Having given C = 45°, and the adjacentside b = 50°, to project the triangle. Sugs.—Project the angle C as the angle B ofthe preceding, and lay off 5 = 50°… … 104, JProb. 4,—To 2^^oject a right angled spherical trianglewhen an ohlique angle and side opposite are giveii. SoLUTiox.—Project the given angle at B, Figs. 31, 32, as in the last problem.Then, from an} point in the circumference of theprimitive circle, as N, take NO, in the diameterpassing…
Geometry · Trigonometry
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