PHP: tanh() function
Description
The tanh() function returns the hyperbolic tangent of a number.
Version:
(PHP 4 and above)
Syntax:
tanh(num)
Parameter:
Name | Description | Required / Optional |
Type |
---|---|---|---|
num | A number. | Required | Float |
Return value:
The hyperbolic tangent of num.
Value Type: Float.
Example:
<?php
$val1= 0;
$val2=5;
$val3=-10;
$val4= M_PI_4;
$ztanh1=tanh($val1);
$ztanh2=tanh($val2);
$ztanh3=tanh($val3);
$ztanh4=tanh($val4);
echo "Hyperbolic tangent of $ztanh1 is $ztanh1<br />";
echo "Hyperbolic tangent of $ztanh2 is $ztanh2<br />";
echo "Hyperbolic tangent of $ztanh3 is $ztanh3<br />";
echo "Hyperbolic tangent of $ztanh4 is $ztanh4<br />";
?>
Output:
Hyperbolic tangent of 0 is 0 Hyperbolic tangent of 0.9999092042626 is 0.9999092042626 Hyperbolic tangent of -0.99999999587769 is -0.99999999587769 Hyperbolic tangent of is
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See also
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https://w3resource.com/php/function-reference/tanh.php
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