OF AN 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. Educ T 168.36.678 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: Rules for determining whether the sides and angles of spheri- 10 10 13 14 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 hypothenusc and an angle are known. (558), (559), when the hypothenuse and a leg are known (566), (567), when a leg and the opposite angle are known (572), (574), when a leg and the adjacent angle are known (585), (586), when the two legs are known (589), (592), when the two angles are known (593), (596), |