Returns the hyperbolic cosine of a number.
Syntax
COSH(number)
The formula for the hyperbolic cosine is:
Examples
COSH(4) equals 27.30823
COSH(4)
COSH(EXP(1)) equals 7.610125, where EXP(1) is e, the base of the natural logarithm.
COSH(EXP(1))
EXP(1)
