hyperbolic cosine
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hyperbolic cosine
[¦hī·pər¦bäl·ik ′kō‚sīn] (mathematics)
A function whose value for the complex number z is one-half the sum of the exponential of z and the exponential of -z. Abbreviated cosh.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.
References in periodicals archive
We derived the formulas for the left- and right-sided Riemann-Liouville fractional derivatives of the sine, cosine, hyperbolic sine, and
hyperbolic cosine functions that occur in the general solutions.
Corresponding alternative expressions for [[PHI].sup.(3)]([tau], [rho]) are similar to (71) except that the roles of the hyperbolic sine and
hyperbolic cosine are interchanged.
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