00000cam a22000003i 4500 UP-1685594773862075419 Buklod 20170314094514.0 g||| | || || ta 170314s2013 njuabf rb |001 0|eng d 9780691148922 (hardcover : alk. paper) (iLib)UPBAG-00023564237 BC-67950 Golden Books Services, Inc. Php2,925.00 DLC BAG rda eng QA 535 V36 2013 Van Brummelen, Glen author. Heavenly mathematics the forgotten art of spherical trigonometry Glen Van Brummelen. Princeton, New Jersey Princeton University Press ©2013. xvi, 192 pages, 8 unnumbered pages of color plates illustrations (some color), maps 25 cm Includes bibliographical references (pages [182]-188) and index. Heavenly mathematics -- Exploring the sphere -- The ancient approach -- The medieval approach -- The modern approach: right-angled triangles -- The modern approach: oblique triangles -- Areas, angles, and polyhedra -- Stereographic projection -- Navigation. Spherical trigonometry. Trigonometry. FO UPBAG UPBAG-MAIN QA 535 V36 2013 Book