An Elementary Treatise on Plane Trigonometry (Hardcover) (ISBN-13: 9781020870163)

First published in 1871, 'An Elementary Treatise on Plane Trigonometry' is a classic text on trigonometry that is still relevant today. The book covers the basics of trigonometry, including angles, triangles, and formulas. It was written for use in schools and is an essential text for anyone seeking to understand the fundamentals of trigonometry.

This work has been selected by scholars as being culturally important, and is part of the knowledge base of civilization as we know it.

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