array ( 0 => 'index.php', 1 => 'PHP Manual', ), 'head' => array ( 0 => 'UTF-8', 1 => 'tr', ), 'this' => array ( 0 => 'function.acosh.php', 1 => 'acosh', ), 'up' => array ( 0 => 'ref.math.php', 1 => 'Math İşlevleri', ), 'prev' => array ( 0 => 'function.acos.php', 1 => 'acos', ), 'next' => array ( 0 => 'function.asin.php', 1 => 'asin', ), 'alternatives' => array ( ), 'source' => array ( 'lang' => 'en', 'path' => 'reference/math/functions/acosh.xml', ), ); $setup["toc"] = $TOC; $setup["toc_deprecated"] = $TOC_DEPRECATED; $setup["parents"] = $PARENTS; manual_setup($setup); ?>
(PHP 4 >= 4.1.0, PHP 5, PHP 7, PHP 8)
acosh — Inverse hyperbolic cosine
Returns the inverse hyperbolic cosine of
num
, i.e. the value whose
hyperbolic cosine is num
.
num
The value to process
The inverse hyperbolic cosine of num