Excerpt from The Formulas of Plane and Spherical Trigonometry: Collected and Arranged for the Use of Students and ComputersI have endeavored to collect and arrange in a man ner well adapted to practical use all the trigonometric formulas a student is likely to need in reading other books on mathematics and physics, or in ordinary computations.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.