C Reference function asin()

Usage of asin():

double asin(double x);

Parameters:

The value of x must be within the range of -1 to +1 (inclusive).

Return value:

The returned value is in the range of -p/2 to +p/2 (inclusive).

Source code example of asin():


	#include<stdio.h>
	#include<math.h>

	#define PI 3.14159265

	main()
	{
		double input, output;
		input = 0.3;
		output = asin (input) * 180.0 / PI;
		printf ("Arc sine of %lf is %lf degrees\n", input, output );
		return 0;
	}

Output of the asin example program above:


	Arc sine of 0.300000 is 17.457603 degrees.
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