The Elements of Spherical Trigonometry

2nd edition a+b-c a+c-b ÆSCHYLUS agrees with equation bound in cloth CHAPTER circle cloth Ditto cos b cos cos² cosines cot a cot cot BC cot² DICTIONARY disjoined ELWES ENGINEERING English equal extremes conjunct extremes disjunct find the angle find the hypothenuse formula G. R. Burnell GEOMETRY gilt Given the side Grammar half morocco hence hypothenuse BC icosahedron LATIN log cos log cot log sin log sin BC MATHEMATICS Measure middle Napier's Analogies octahedron opposite angles perpendicular plane angles Plane Trigonometry plates polar triangle polygon polyhedron radius RAILWAY regular polyhedron right angles right-angled triangle RUDIMENTARY TREATISE Section side AC sin a sin sin c cos sin² sines six right solid angle solution sphere spherical triangle SPHERICAL TRIGONOMETRY surface taking the complements three angles three sides triangle ABC values vols W. D. HAMILTON