Elements of geometry : containing the first six books of Euclid, with a supplement on the quadrature of the circle, and the geometry of solids : to which are added, Elements of plane and spherical geometry (1826)
Playfair, John, 1748-1819, Euclid · Philadelphia : Marot & Walter · leaf 262
sin. AC : : R : sin. BC, (19).COS. AC : COS. B : : R : sin. C, (23). r 89 ACandBC. AB.B.C. cos. AC : COS. BC :: R : cos. AB, (22).sin. BC : sin. AC :: R : sin. B, (19).tan. BC : tan. AC : : R : cos. C, (21). 101113 AB and AC. BC.B.C. R : cos. AB :: cos. AC : cos. BC, (32).sin. AB : R : : tan. AC :… … LI 262 SPHERICAL TRIGONOMETRY. TABLE for determining the affections of the Sides and Angles foundby the preceding rules. AC and B of the same affection, (14).If BCZ-90°, AB and B of the same affection,otherwise dif/ereut, (Cor. 15.) If BCz.90° C and B of the same affection, otherwise dif-ferent,…
Euclid's Elements · Geometry · Trigonometry
Internet Archive · Public Domain Mark 1.0. Free to use for anything.
