Essentials of Trigonometry with Applications
by D.R. Curtiss, E.J. Moulton
Publisher: D. C. Heath And Company 1942
Number of pages: 190
The distinguishing features of this book are (1) a concise presentation of the fundamental part of plane trigonometry up to the solution of triangles; (2) the use of five-place logarithms in the solution of triangles arid in other applications, with due allowance for the accuracy of data; (3) a chapter on spherical trigonometry; (4) a chapter on applications, which has been written to give essential preparation to those who may enter upon military or naval, service.
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by Marcel B. Finan - Arkansas Tech University
The text represents a serious effort to produce exposition that is accessible to a student at the freshmen or high school levels. The chapters of this book are well suited for a one semester course in College Trigonometry.
by David E. Joyce - Clark University
This website is a short introduction to Trigonometry by a professor at Clark University. It is very easy to follow, is full of animations and study problems for the reader to work through. You should already be familiar with algebra and geometry.
by J. B. Lock - The MacMillan Company
Contents: Definitions. The Figures of Trigonometry; Measurement of Angles; Trigonometrical Ratios; Acute Angle; Trigonometrical Ratios of Certain Angles; Practical Applications; On the Relations between the Trigonometric Ratios; and more.
by Carl Stitz, Jeff Zeager - Stitz Zeager Open Source Mathematics
Dr. Stitz and Dr. Zeager co-wrote this high-quality textbook that is within reach and accessible to the average college student. A quick glance at the table of contents shows that all the major topics of a college trigonometry course are included.