Excel COSH Function

The Excel COSH function returns hyperbolic cosine of a number. The hyperbolic cosine of x is defined as:

where e is an Euler's number.

The COSH function is a built-in function in Excel that is categorized as a Math/Trig Function. It can be used as a worksheet function in Excel. As a worksheet function, the COSH function can be used as part of a formula in a worksheet cell.

Syntax

COSH(number)

Parameters

Return Value

Returns the hyperbolic cosine of a value.

Notes

• If the argument is a non-numeric value, COSH returns #VALUE! error.

Example: Using as Worksheet Function

The example below shows how to use the COSH function as worksheet function.

Based on the Excel spreadsheet above, the output of the following worksheet formula will be:

=COSH(B5)
Result: 3.762195691

=COSH(B6)
Result: 1.543080635

=COSH(B7)
Result: 1.127625965

=COSH(B8)
Result: 1

=COSH(B9)
Result: 1.127625965

=COSH(B10)
Result: 1.543080635

=COSH(B11)
Result: 3.762195691