ELEMENTARY TREATISE ON SPHERICAL TRIGONOMETRY. BY BENJAMIN PEIRCE, A. M., UNIVERSITY PROFESSOR OF MATHEMATICS AND NATURAL PHILOSOPHY IN HARVARD UNIVERSITY. BOSTON. JAMES MUNROE AND COMPANY.. M DCCC XXXVI. EducT168.36.678 Entered according to Act of Congress, in the year 1836, By JAMES MUNROE & Co., In the Clerk's Office of the District Court of the District of Massachusetts. CAMBRIDGE PRESS: METCALF, TORRY, AND BALLOUυ. Rules for determining whether the sides and angles of spheri- The sines, &c. of angles less than 180° (496), (507), The sum of the angles of a spherical right triangle (540), SECTION II. Solution of Spherical Right Triangles, when the hypothenuse and an angle are known (558), (559), 2 10 10 13 14 16. 17 when the hypothenuse and a leg are known (566), (567), (569), 19 when a leg and the opposite angle are known (572), (574), 20 when a leg and the adjacent angle are known (585), (586), 23 when the two legs are known (589), (592), 24 when the two angles are known (593), (596), 24 |