The Elements of Trigonometry: Containing, the Properties, Relations, and Calculations of Sines, Tangents, Secants, &C. the Doctrine of the Sphere, a

First published in 1781, this book provides a comprehensive introduction to trigonometry. It includes detailed explanations of the properties and relations of sines, tangents, and other trigonometric functions, as well as their applications in various fields. With its clear and concise explanations, this book is an essential resource for anyone studying or teaching trigonometry.