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Divya
The php asinh() function returns the inverse hyperbolic sine of a number and float type.
<!DOCTYPE html>
<html>
<body>
<?php
echo(asinh(1.66) . "<br>");
echo(asinh(0.66) . "<br>");
echo(asinh(-0.78) . "<br>");
echo(asinh(0) . "<br>");
echo(asinh(-1) . "<br>");
echo(asinh(1) . "<br>");
echo(asinh(2));
?>
</body>
</html>
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