note 12253 deleted from function.tan by victor
| From: | victor@php.net | Date: | Sat, 07 Dec 2002 15:30:03 +0000 |
| Subject: | note 12253 deleted from function.tan by victor | ||
| References: | 1 | Groups: | php.notes |
| Request: | Send a blank email to php-notes+get-40467@lists.php.net to get a copy of this message | ||
tan -1 , or 'inverse tan' is the same thing as 'arc tan', and is calculated
with the 'atan' function in PHP.
Dont forget the angle return is in radians though (used 'rad2deg' to get degrees)
e.g:
rad2deg(atan(100/100)) = 45;