A Treatise of Plane Trigonometry

"A Treatise of Plane Trigonometry" by Jeremiah Day is a comprehensive exploration of plane trigonometry, designed for students and educators alike. This classic text meticulously covers the fundamental principles and practical applications of trigonometric functions and their relationship to plane geometry. Day's treatise provides a structured approach to understanding trigonometric concepts. This book serves as an invaluable resource for anyone seeking a solid foundation in the essentials of plane trigonometry.

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