Plane Trigonometry

"Plane Trigonometry" is a comprehensive textbook designed for students seeking a rigorous understanding of trigonometric principles and their practical applications. Authored by R. D. Bohannan and originally published in 1904, this book offers a detailed exploration of plane trigonometry, covering essential topics such as trigonometric functions, angle measurements, and geometric relationships.

This classic text provides clear explanations, numerous examples, and exercises to help students master the subject. Its enduring value lies in its systematic approach and thorough coverage, making it a valuable resource for both self-study and classroom use. "Plane Trigonometry" remains relevant for anyone interested in the foundations of mathematics and the historical development of mathematical education.

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