Returns the hyperbolic cosine of a number.
Syntax
COSH(number)
Number is any real number for which you want to find the hyperbolic cosine.
Remark
The formula for the hyperbolic cosine is:
Example
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How to copy an example
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Selecting an example from Help
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A 
B 
Formula 
Description (Result) 
=COSH(4) 
Hyperbolic cosine of 4 (27.30823) 
=COSH(EXP(1)) 
Hyperbolic cosine of the base of the natural logarithm (7.610125) 
