Publisher's Synopsis
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° and [see page 28] When a: is between and 90° (22) log ctn a: log rad (90° - x)
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