Conceptual Trigonometry Part I: A Companion to S. L. Loney's Plane Trigonometry Part I

The approaches, solutions and variations in this book to the problems of Plane Trigonometry by S. L. Loney are elegant.Each concept is explained clearly, which enables us apply several approaches to solve the problems of Loney.The book is great to learn depth of fundamentals, and is a true companion to a classic gem of S.L.Loney. Highly recommended!