tanh
Description
Syntax
tanh(float $num): float
Parameters
num
The argument to process
Return
The hyperbolic tangent of num
Examples
1
<? $num = deg2rad(0); $return = tanh($num); echo $return; ?>
0
2
<?
for($i = -180; $i <= 180; ++$i)
{
$num = deg2rad($i);
$return = tanh($num);
echo $return . PHP_EOL;
}
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