acosh
acosh
(PHP 4 >= 4.1.0, PHP 5, PHP 7)
acosh — Inverse hyperbolic cosine
Description
float acosh ( float $arg )
Returns the inverse hyperbolic cosine of arg, i.e. the value whose hyperbolic cosine is arg.
Parameters
arg
The value to process
Return Values
The inverse hyperbolic cosine of arg
Changelog
| Version | Description |
|---|---|
| 5.3.0 | This function is now available on all platforms |
See Also
- cosh() - Hyperbolic cosine
- acos() - Arc cosine
- asinh() - Inverse hyperbolic sine
- atanh() - Inverse hyperbolic tangent
← acos
asin →
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Licensed under the Creative Commons Attribution License v3.0 or later.
