tan
(PHP 4, PHP 5, PHP 7)
tan — Tangent
Description
float tan ( float $arg ) tan() returns the tangent of the arg parameter. The arg parameter is in radians.
Parameters
arg
The argument to process in radians
Return Values
The tangent of arg
Examples
Example #1 tan() example
<?php
echo tan(M_PI_4); // 1
?>See Also
- atan() - Arc tangent
- atan2() - Arc tangent of two variables
- sin() - Sine
- cos() - Cosine
- tanh() - Hyperbolic tangent
- deg2rad() - Converts the number in degrees to the radian equivalent
← srand
tanh →
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