MEM AOBK Entered according to act of Congress, in the year 1845, by JAMES MUNROE And Company, in the Clerk's Office of the District Court of the District of Massachusetts. Thurston, Torry, & Company, Printers, CONTENTS. CHAP. PLANE TRIGONOMETRY. I. General Principles of Plane Trigonometry II. Sines, Tangents, and Secants III. Right Triangles IV. General Formulas V. Values of the Sines, Cosines, Tangents, Cotangents, Secants, and Cosecants of certain Angles VI. Oblique Triangles VII. Logarithmic and Trigonometrical Series . PAGE 3 6 37. $5 81 90 94 97 . 172 |