asin

PHP 4, PHP 5, PHP 7, PHP 8
asin - Arc sine

asin( float$num ): float

Returns the arc sine of num in radians. asin is the inverse function of sin, which means that a==sin(asin(a)) for every value of a that is within asin's range.

Parameters

num

The argument to process

Return Values

The arc sine of num in radians

Related Functions

Example of asin

Show all examples for asin

PHP Version:


Function asin:

Mathematical Functions Functions

Most used PHP functions