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docs: improve consistency in ATAN2, ASINH, ACOSH, ATANH documentation

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Elsa Minsut
2025-09-24 19:36:30 +02:00
parent 9bbf94e033
commit e39bfe912a
4 changed files with 10 additions and 12 deletions
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docs/src/functions/math_and_trigonometry/acosh.md
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@@ -16,11 +16,11 @@ ACOSH is a function of the Math and Trigonometry category that calculates the in
The hyperbolic arccosine function is defined as:
$$
\text{acosh(x)} = \ln(x + \sqrt{x^2 - 1})
\operatorname{acosh}(x) = \ln(x + \sqrt{x^2 - 1})
$$
### Returned value
ACOSH returns a [number](/features/value-types#numbers) that is the hyperbolic arccosine of the specified value, expressed in radians.
ACOSH returns a [number](/features/value-types#numbers) in the range [0, +∞) that is the hyperbolic arccosine of the specified value, expressed in radians.
### Error conditions
* In common with many other IronCalc functions, ACOSH propagates errors that are found in its argument.
* If no argument, or more than one argument, is supplied, then ACOSH returns the [`#ERROR!`](/features/error-types.md#error) error.
@@ -30,7 +30,7 @@ ACOSH returns a [number](/features/value-types#numbers) that is the hyperbolic a
## Details
* The ACOSH function utilizes the *acosh()* method provided by the [Rust Standard Library](https://doc.rust-lang.org/std/).
* The figure below illustrates the output of the ACOSH function for values $x \geq 1$ in the range [0, +∞).
<center><img src="/functions/images/hyperbolicarccosine-curve.png" width="350" alt="Graph showing acosh(x) for x ≥ 0."></center>
<center><img src="/functions/images/hyperbolicarccosine-curve.png" width="350" alt="Graph showing acosh(x) for x ≥ 1."></center>
## Examples
[See some examples in IronCalc](https://app.ironcalc.com/?example=acosh).