PHP atanh() Function

The atan() function is predefined PHP functions, which is used to solve the trigonometry function. It returns the inverse hyperbolic tangent of a number.

Syntax:

Parameter	Description	Required/Optional
number	Specify a number	Required

Example 1

<?php
$num=(M_PI_4);
echo "Your passing number (M_PI_4) is: ".$num;
echo "<br>"."By using 'atanh()' function your number is :".(atanh($num));
?> 

Output:

Your passing number (M_PI_4) is: 0.78539816339745
By using 'atanh()' function your number is :1.0593061708232

Example 2

<?php
$num=(0.50);
echo "Your passing number is: ".$num;
echo "<br>"."By using 'atanh()' function your number is :".(atanh($num));
?>

Output:

Your passing number is: 0.5
By using 'atanh()' function your number is :0.54930614433405

Example 3

<?php
$num=(-0.50);
echo "passing negative value: ".$num;
echo "<br>"."By using 'atanh()' function your number is :".(atanh($num));
?>

Output:

passing negative value: -0.5
By using 'atanh()' function your number is :-0.54930614433405

Example 4

<?php
$num=1;
echo "passing positive value: ".$num;
echo "<br>"."By using 'atanh()' function your number is :".(atanh($num));
?>

Output:

passing negative value: 1
By using 'atanh()' function your number is :INF

Example 5

<?php
$num=(-1);
echo "passing negative value: ".$num;
echo "<br>"."By using 'atanh()' function your number is :".(atanh($num));
?>

Output:

passing negative value: -1

Next TopicPHP Math

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PHP atanh() Function

Syntax:

Example 1

Example 2

Example 3

Example 4

Example 5

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