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Ausführliches Lehrbuch der ebenen und sphärischen Trigonometrie (Comprehensive Textbook of Plane and Spherical Trigonometry) by Heinrich Borchert Lübsen, is a detailed exploration of trigonometric principles and their application to both plane and spherical geometry. This second, improved edition serves as an educational resource for students and instructors alike, offering a structured approach to understanding complex mathematical concepts. Written in German, this book meticulously covers fundamental theorems, problem-solving techniques, and practical exercises. With a focus on clarity and precision, Lübsen’s textbook is a valuable addition to the libraries of those studying mathematics and related fields, providing a strong foundation in the essentials 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. This work was reproduced from the original artifact, and remains as true to the original work as possible. Therefore, you will see the original copyright references, library stamps (as most of these works have been housed in our most important libraries around the world), and other notations in the work.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.As a reproduction of a historical artifact, this work may contain missing or blurred pages, poor pictures, errant marks, etc. 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.
