hi
cosh()
The cosh() function returns the hyperbolic cosine of a number (equivalent to (exp(x) + exp(-x)) / 2).
PHP Code:
<?php
echo(cosh(3) . "<br />");
echo(cosh(-3) . "<br />");
echo(cosh(0) . "<br />");
echo(cosh(M_PI) . "<br />");
echo(cosh(2*M_PI))
?>
OutPut wiil be
Code:
10.0676619958
10.0676619958
1
11.5919532755
267.746761484
Regards
Falcon
