OF PLANE TRIGONOMETRY, WITH THE CONSTRUCTION AND USE OF LOGARITHMIC TABLES OF NUMBERS, AND THOSE OF TRIGONOMETRIC FUNCTIONSVOF ANGLES. By J. C. SNOWBALL, M. A. FELLOW OF ST JOHN'S COLLEGE, CAMBRIDGE THIRD EDITION. CAMBRIDGE: PRINTED BY JOHN W. PARKER, UNIVERSITY PRINTER. T. STEVENSON, CAMBRIDGE; A. H. BAILY & Co., LONDON. M.DCCC.XXXVII. 958. ART. PLANE TRIGONOMETRY. INDEX. PAGE ....... |