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 426
EXAMPLES. 1. Given a = 100°, b = 80°, and c = 68°,to project the triangle. 2. Given a = 108°, b = 120°, and c = 25°,to project the triangle. See Fig. 41. 3. Given a = 120°, I? = 65°, and c = 40°,to project the triangle. 4. Given a = 150°, b = 140°, and c =170°, to project the triangle. … Fio. 41. SECTION I. SOLUTION OF RIGHT ANGLED SPHERICAL TRIANGLES. 110. Splierical Trigononietry treats of the relations be-tween the trigonometrical functions of the sides and angles ofspherical triangles, and of the solution of such triangles by means ofthese relations. 111. ScH.—In the present…
Geometry · Trigonometry
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