ACOSH
The inverse hyperbolic cosine of a number.
Syntax
ACOSH(x)
| Argument | Meaning |
|---|---|
| x | A number. |
Result
A number.
Examples
In the example drawing:
| Expression | Gives |
|---|---|
ACOSH(1.5) |
0.9624 |
Notes
x must be 1 or more: below 1, the result is NaN (not a number).