This account of the theory of the circular functions and their applications to plane trigonometry begins with the measurement of angular magnitude and of lines, and proceeds to circular functions, the expansion of functions of multiple angles, trigonometrical tables, the solution of triangles, and properties of triangles and quadrilaterals. 1928 edition. Unabridged republication of the seventh edition published by Cambridge University Press, 1928.
Advanced Trigonometry by C. V. Durell, A. Robson This volume is a welcome resource for teachers seeking an undergraduate text on advanced trigonometry. Ideal for self-study, this book offers a variety of topics with problems and answers. 1930 edition. Includes 79 figures.
Trigonometry Refresher by A. Albert Klaf Covers the most important aspects of plane and spherical trigonometry. Discusses special problems in navigation, surveying, elasticity, architecture, and various fields of engineering. Includes 1,738 problems, many with solutions. 1946 edition. Features 494 figures.