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37 lines
981 B
C#

/*
* C# Program to Find the Value of Cos(x)
*/
using System;
namespace ConsoleApplication1
{
class Program
{
static void Main(string[] args)
{
for (double d = 0; d < 6.0; d += 0.5)
{
Console.WriteLine("The cosine of {0} = {1}", d, Math.Cos(d));
Console.WriteLine("Calculated cosine of {0} = {1}", d, cos(d));
Console.WriteLine();
}
Console.ReadKey();
}
static double cos(double x)
{
double p = x * x;
double q = p * p;
return 1.0 - p / 2 + q / 24 - p * q / 720 + q * q / 40320 - p * q * q / 3628800;
}
}
}
/*
The Cosine of 0 = 1
Calculated Cosine of 0 = 1
The Cosine of 0.5 = 0.877582561890373
Calculated Cosine of 0.5 = 0.877582561889864
The Cosine of 1.5 = 0.54030230586814
Calculated Cosine of 1.5 = 0.540302303791887
The Cosine of 2.0 = 0.0707372016677029
Calculated Cosine of 2.0 = 0.0707369341169085