note 119270 added to function.atan

arcctg function function actg($arg){ return acos($arg/(sqrt(1 + $arg * $arg))); } ---- Server IP: 72.52.91.14 Probable Submitter: 87.252.225.11 ---- Manual Page -- http://php.net/manual/en/function.atan.php Edit -- https://master.php.net/note/edit/119270 Del: integrated -- https://master.php.net/note/delete/119270/integrated Del: useless -- https://master.php.net/note/delete/119270/useless Del: bad code -- https://master.php.net/note/delete/119270/bad+code Del: spam -- https://master.php.net/note/delete/119270/spam Del: non-english -- https://master.php.net/note/delete/119270/non-english Del: in docs -- https://master.php.net/note/delete/119270/in+docs Del: other reasons-- https://master.php.net/note/delete/119270 Reject -- https://master.php.net/note/reject/119270 Search -- https://master.php.net/manage/user-notes.php