How can the PHP Manual be effectively utilized to understand mathematical functions like sin() and asin()?

To understand mathematical functions like sin() and asin() in PHP, the PHP Manual can be effectively utilized. By referencing the PHP Manual, you can find detailed explanations, examples, and parameter descriptions for these functions, helping you understand how to use them properly in your code.

// Example of using sin() and asin() functions
$angle = 45; // angle in degrees

// Calculating sine of the angle
$sine = sin(deg2rad($angle));
echo "Sine of $angle degrees: $sine <br>";

// Calculating arcsine of the sine value
$arcsine = rad2deg(asin($sine));
echo "Arcsine of $sine: $arcsine degrees";