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| hy·per·bol·ic func·tion (plural hy·per·bol·ic func·tions) |
noun |
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| Definition: |
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mathematical function: any of six functions analogous to trigonometric functions but related to a hyperbola rather than a circle. Hyperbolic functions include the hyperbolic sine, hyperbolic cosine, hyperbolic tangent, hyperbolic cotangent, hyperbolic secant, and hyperbolic cosecant.
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