Given the input 1, the function returns the value 1.175201194.
Here is a table that shows some points on the unit hyperbola formed by COSH and SINH.
This is different from thesine function, which is periodic and repeats values.
Related functions
COSH Function
The Excel COSH function returns the hyperbolic cosine of a number.
TANH Function
The Excel TANH function returns the hyperbolic tangent of a number.
ASINH Function
The Excel ASINH function returns the inverse hyperbolic sine of a number.