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Hyperbolic and Trigonometric Crossing Points

by P. J. Leah (University of Toronto) and J. B. Wilker (University of Toronto)

This article originally appeared in:
Mathematics Magazine
June, 1990

Subject classification(s): Geometry and Topology | Trigonometry | Trigonometric Functions | Calculus | Single Variable Calculus | Functions
Applicable Course(s): 3.2 Mainstream Calculus II | 4.11 Advanced Calc I, II, & Real Analysis

The authors determine a function that relates 6 pairs of hyperbolic and trigonometric functions, and explain the resemblance and some coincidences from the corresponding graphs.

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