cosh() function in PHP

Thiscosh()The function returns the hyperbolic cosine of a number. The return value is a floating-point number.

Syntax

cosh(num)

parameter

• num-a number specified in radians

returns

Thiscosh()The function returns the hyperbolic cosine of a number. The return value is a floating-point number.

Example

<?php
　　　echo(cosh(1) . "<br>");
　　　echo(cosh(-1));
?>

Output Result

1.5430806348152<br>1.5430806348152

Example

Let's look at another example-

<?php
　　　echo(cosh(0));
?>

Output Result

1

Example

<?php
　　　echo(cosh(M_PI) . "<br>");
　　　echo(cosh(2*M_PI));
?>

Output Result

11.591953275522<br>267.74676148375