Plane and Spherical Trigonometry in three parts
by Henry Bedingfield Goodwin
Publisher: Longmans, Green, and Co. 1907
Number of pages: 296
This treatise in the first instance was intended to serve as an introduction to the study of Navigation and Nautical Astronomy for the junior officers under training in H.M. Fleet. The text covers the theoretical portion of Plane Trigonometry, Spherical Trigonometry, and the examples in the use of logarithms and in the solution of plane and spherical triangles.
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by Arnold Dresden - John Wiley And Sons
No attempt at logical completeness has been made, but rather has it been the author's aim to adapt the treatment to the stage of logical development which may be expected of students who begin the study of trigonometry ...
by I. Todhunter - Macmillan and co
The present work contains all the propositions usually included under the head of Spherical Trigonometry, together with a large collection of examples for exercise. The examples have been selected from the University and College Examination Papers.
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.