Php/docs/function.atanh
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atanh
(PHP 4 >= 4.1.0, PHP 5, PHP 7)
atanh — Inverse hyperbolic tangent
Description
atanh
( float $arg
) : float
Returns the inverse hyperbolic tangent of
arg
, i.e. the value whose
hyperbolic tangent is arg
.
Parameters
arg
- The argument to process
Return Values
Inverse hyperbolic tangent of arg