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cosh |
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cosh hyperbolic cosine; a hyperbolic function, cosh z = ½(ez + e--z), related to cosine by the expression cosh iz = cos z, where i = ÝA--1 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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