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hyperbolic function |
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hyperbolic functionIn mathematics, one of a set of functions related to the hyperbola in the same way the trigonometric functions relate to the circle. They are the hyperbolic sine, cosine, tangent, secant, cotangent, and cosecant (written “sinh,” “cosh,” etc.). The hyperbolic equivalent of the fundamental trigonometric identity is cosh2z − sinh2z = 1. The hyperbolic sine and cosine, particularly useful for finding special types of integrals, can be defined in terms of exponential functions: sinhx = (ex − e−x) ÷ 2 and coshx = (ex + e−x) ÷ 2 How to thank TFD for its existence? Tell a friend about us, add a link to this page, add the site to iGoogle, or visit webmaster's page for free fun content. |
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| Among the subjects covered by the program include algebra, trigonometry, analytic geometry, probability and statistics, statistical process control (SPC), integrals, differentiation, series, constants, vector analysis, differential equations and hyperbolic functions. |
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