Bøker av Fletcher Durell

First published in the early 20th century, this book provides a comprehensive introduction to the principles of plane trigonometry. Written primarily for students of mathematics and science, it covers a wide range of topics, from basic trigonometric functions and identities to more advanced topics such as spherical trigonometry and the solution of triangles. The book is filled with clear and concise explanations, along with numerous worked examples and exercises, making it an invaluable resource for anyone looking to improve their understanding of this fundamental branch of mathematics.This work has been selected by scholars as being culturally important, and is part of the knowledge base of civilization as we know it.This work is in the "public domain in the United States of America, and possibly other nations. Within the United States, you may freely copy and distribute this work, as no entity (individual or corporate) has a copyright on the body of the work.Scholars believe, and we concur, that this work is important enough to be preserved, reproduced, and made generally available to the public. We appreciate your support of the preservation process, and thank you for being an important part of keeping this knowledge alive and relevant.