Math_TrigOp::asech
Math_TrigOp::asech() – Calculates the inverse hyperbolic secant of the parameter
Synopsis
require_once 'TrigOp.php';
mixed Math_TrigOp::asech (
float $x
)
Описание
This package is not documented yet.
Parameter
-
float
$x -
Return value
return A floating point on success, PEAR_Error object otherwise
Throws
throws no exceptions thrown
Замечание
This function can not be called statically.