Math.PI
using System; using System.Data; class Class1{ static void Main(string[] args){ Console.WriteLine(ConvertDegreesToRadians (180)); Console.WriteLine(ConvertDegreesToRadians (90)); Console.WriteLine(ConvertDegreesToRadians (30)); } public static double ConvertDegreesToRadians (double degrees) { double radians = (Math.PI / 180) * degrees; return (radians); } }