tanh(): Hyperbolic tangent
Calculate hyperbolic tangent
tanh() returns the hyperbolic tangent of a number, with results approaching -1 or 1 for large negative or positive inputs.
$value = tanh(1);
echo $value;
Start with this current pattern. The examples below are retained for additional variations, output and reference.
<?Php
echo tanh(0); // Output is 0
echo "<br>";
echo tanh(1); // Output 0.76159415595576
echo "<br>";
echo tanh(-1); // Output -0.76159415595576
echo "<br>";
echo tanh(4.2); // Output is 0.99955036645953
echo "<br>";
echo tanh(2); // Output is 0.96402758007582
echo "<br>";
echo tanh(90); // Output is 1
?>
float tanh(float $x);
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Subhendu Mohapatra
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