PHP rad2deg() Function

PHP rad2deg() function is used to converts a radian value to degree value.

Syntax:

Given above function converts number from radian to degree.

Parameter	Description	Required/Optional
number	Specify a radian value to convert	Required

Example 1

<?php
$radian=0;
echo "Your radian value is = ".$radian."<br>";	
echo "By using 'rad2deg()' function, Converted Degree value is :".rad2deg($radian);
?>

Output:

Your radian value is = 0
By using 'rad2deg()' function, Converted Degree value is :0

Example 2

<?php
echo "Your Number is : M_PI_4";	
echo "By using 'rad2deg()' function, your radian equivalent is :".rad2deg(M_PI_4);
?>

Output:

Your Number is : M_PI_4
By using 'rad2deg()' function, your radian equivalent is :45

Example 3

<?php
$radian=pi();
echo "Your radian value is pi() :".$radian."<br>";	
echo "By using 'rad2deg()' function, Converted Degree value is :".rad2deg($radian);
?>

Output:

Your radian value is pi() :3.1415926535898
By using 'rad2deg()' function, Converted Degree value is :180

Example 4

<?php
$radian=(pi()/4);
echo "Your radian value is (pi()/4) = ".$radian."<br>";	
echo "By using 'rad2deg()' function, Converted Degree value is :".rad2deg($radian);
?>

Output:

Your radian value is (pi()/4) = 0.78539816339745
By using 'rad2deg()' function, Converted Degree value is :45

Next TopicPHP Math

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PHP rad2deg() Function

Syntax:

Example 1

Example 2

Example 3

Example 4

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