Returns the hyperbolic cosine of a complex number.

inumberThe complex number.

* This function was added in Excel 2013.
* If "inumber" is a logical value, then #VALUE is returned.
* You can use the IMSINH function to return the hyperbolic sine of a complex number.
* You can use the COMPLEX function to convert real and imaginary coefficients into a complex number.
* For the Microsoft documentation refer to
* For the Google documentation refer to


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