Excerpt from Four Place Tables of Logarithms and Trigonometric Functions: With Auxiliary Tables (Chiefly to Three Figures) Of Squares, Square Roots, Cubes, Cube Roots, Reciprocals, Circumferences and Areas of Circles, Exponentials, Natural Logarithms, Radians, and Constants C When at is between 0 Degrees and [see page 28] When a: is between and 90 Degrees (22) log ctn a: log rad (90 Degrees - x) 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.