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How to Use Trig Functions in Excel. Excel has built-in functions for sine and cosine, the two core trigonometric functions, and for hyperbolic sine and hyperbolic cosine, their hyperbolic ...
Standard Four-Figure Mathematical Tables: including many New Tables, Trigonometrical Functions for Radians, Inverse Trigonometrical and Hyperbolic Functions, and an Extended Table of Natural ...
M. Papadimitrakis, On Convexity of Level Curves of Harmonic Functions in the Hyperbolic Plane, Proceedings of the American Mathematical Society, Vol. 114, No. 3 (Mar., 1992), pp. 695-698 ...
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