by Arnold Dresden
Publisher: John Wiley And Sons 1921
Number of pages: 130
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 ...
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by Elmer A. Lyman, Edwin C. Goddard - Allyn and Bacon
A trigonometry textbook that treats the solution of triangles quite fully and elaborates analytical trigonometry. It covers angles, trigonometric functions, inverse functions, trigonometric equations and identities, triangles, spherical trigonometry.
by Michael Corral - mecmath.net
A text on elementary trigonometry. Though designed for college students, it could also be used in high schools. The traditional topics are covered, but a more geometrical approach is taken than usual. Also, some numerical methods are discussed.
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 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.