Excerpt from Réalisation Et Usage des Formes Imaginaires en GéométrieConsidérons maintenant la transformation dans la quelle l'axe des y aurait simplement tourné autour de l'origine, de manière à faire avec l'axe des se, resté fixe, l'angle supplémentaire de celui qu'il faisait auparavant.About the PublisherForgotten Books publishes hundreds of thousands of rare and classic books. Find more at www.forgottenbooks.comThis 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.