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OverviewExcerpt from Recherches Generales sur les Surfaces Courbes Les recherches dans lesquelles on s occupe des directions de diverses droites dans l'espace atteignent la plupart du temps un tres - haut degre de clarte et de simplicite, quand on recourt a l'emploi d'une surface spherique decrite avec un rayon 1 autour d'un centre arbitraire, et dont tous les points sont censes representer les directions de droites paralleles aux rayons termines a ces points. Et comme la position de tous les points dans l'espace se determine par trois coordonnees, qui sont les distances a trois plans fixes perpendiculaires entre eux, il faut considerer avant tout les di rections des axes perpendiculaires a ces plans; nous noterons ainsi les points de la surface spherique qui representent ces directions il est clair que la distance de ces points, deux a deux, _ sera un quart de cercle. Nous supposerons d'ailleurs que les directions dont il s'agit sont celles qui se rapportent aux coordonnees positives. About the Publisher Forgotten Books publishes hundreds of thousands of rare and classic books. Find more at www.forgottenbooks.com This book is a reproduction of an important historical work. Forgotten Books uses state-of-the-art technology to digitally reconstruct the work, preserving the original format whilst repairing imperfections present in the aged copy. In rare cases, an imperfection in the original, such as a blemish or missing page, may be replicated in our edition. We do, however, repair the vast majority of imperfections successfully; any imperfections that remain are intentionally left to preserve the state of such historical works. Full Product DetailsAuthor: Carl Friedrich GaussPublisher: Forgotten Books Imprint: Forgotten Books Dimensions: Width: 15.20cm , Height: 0.90cm , Length: 22.90cm Weight: 0.231kg ISBN: 9780259371939ISBN 10: 0259371939 Pages: 168 Publication Date: 24 November 2018 Audience: General/trade , General Format: Paperback Publisher's Status: Unknown Availability: In stock Limited stock is available. It will be ordered for you and shipped pending supplier's limited stock. Language: French Table of ContentsReviewsAuthor InformationTab Content 6Author Website:Countries AvailableAll regions |