Publisher's Synopsis
Excerpt from Elements of Plane Trigonometry
To deduce sin (a ]b), cos (a +b) To deduce sin (a - B), cos (a - B) Fundamental formulas To deduce tan (a +b), tan (a - B), cot (a +b), cot (a - B). To deduce sin 2a, cos 2a, tan 2a. 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.
