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Elements of Plane Trigonometry, by Hugh Blackburn

Chemical substances (also called pure substances) may well be defined as "any material with a definite chemical composition" in an introductory general chemistry textbook.[2] According to this definition a chemical substance can either be a pure chemical element or a pure chemical compound. But, there are exceptions to this definition; a pure substance can also be defined as a form of matter that has both definite composition and distinct properties.[3] The chemical substance index published by CAS also includes several alloys of uncertain composition.[4] Non-stoichiometric compounds are a special case (in inorganic chemistry) that violates the law of constant composition,. | Project Gutenberg s Elements of Plane Trigonometry by Hugh Blackburn This eBook is for the use of anyone anywhere at no cost and with almost no restrictions whatsoever. You may copy it give it away or re-use it under the terms of the Project Gutenberg License included with this eBook or online at www.gutenberg.org Title Elements of Plane Trigonometry For the use of the junior class of mathematics in the University of Glasgow Author Hugh Blackburn Release Date June 25 2010 EBook 32973 Language English Character set encoding ISO-8859-1 START OF THIS PROJECT GUTENBERG EBOOK ELEMENTS OF PLANE TRIGONOMETRY Produced by Andrew D. Hwang Laura Wisewell and the Online Distributed Proofreading Team at http www.pgdp.net The original copy of this book was generously made available for scanning by the Department of Mathematics at the University of Glasgow. transcriber s note Minor typographical corrections and presentational changes have been made without comment. Figures may have been moved slightly with respect to the surrounding text. This PDF file is formatted for screen viewing but may be easily formatted for printing. Please consult the preamble of the LAT X source file for instructions. ELEMENTS OF PLANE TRIGONOMETRY FOR THE USE OF THE JUNIOR CLASS OF MATHEMATICS IN THE UNIVERSITY OF GLASGOW. BY HUGH BLACKBURN M.A. PROFESSOR OF MATHEMATICS IN THE UNIVERSITY OF GLASGOW LATE FELLOW OF TRINITY COLLEGE CAMBRIDGE. Loiitoii and Neto York MACMILLAN AND CO. 1871. All Rights reserved.