Hyperbolic functions

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I wonder how I can compute hyperbolic terms like cosh(ln2). The calculator we're allowed to use doesn't have buttons for calculating hyperbolic functions.
 

quasar987

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The hyperbolic trig functions are just sums and ratios of exponential function.

type hyperbolic function on wiki or something.
 

dextercioby

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Incidentally, your example is trivial, if you know that

[tex] \cosh x =\frac{e^{x}+e^{-x}}{2} [/tex]

Daniel.
 

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