A Semester Course in Trigonometry
by Marcel B. Finan
Publisher: Arkansas Tech University 2003
Number of pages: 264
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.
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by H. C. Playne - E. Arnold
The book gives the reader a working knowledge of elementary Trigonometry. The book contains many and varied examples to be worked out by the student. Many examples illustrate the use of Trigonometry in Mechanics, Physics and Analytical Geometry.
Book 1 is pre-calculus trigonometry. We assume the student is relatively new to algebra and do algebra step by step. Many of the pages have closely related free/YouTube videos at the Khan Academy. Many students find the video presentation helpful.
by Florentin Smarandache - viXra.org
This book includes 255 problems of 2D and 3D Euclidean geometry plus trigonometry. The degree of difficulties of the problems is from easy and medium to hard. The solutions are at the end of each chapter. The book is especially a didactic material...
by D.R. Curtiss, E.J. Moulton - D. C. Heath And Company
The distinguishing features of this book are: a concise presentation of the fundamental part of plane trigonometry up to the solution of triangles; the use of five-place logarithms; a chapter on spherical trigonometry; a chapter on applications.