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Write a program to calculate the sum of cosine series

Write a program to calculate the sum of cosine series
Programmed by : kiran shrestha
roll no. : 10121
Programmed on : 6th feb,2011*/
#include <stdio.h>
#include <conio.h>
#include <math.h>
void main ()
{
  int i,j,n;
  float sum=0,fact=1,x;
  printf (“enter terms = “);
  scanf (“%d”,&n);
  printf (“enter the angle of x = “);
  scanf (“%f”,&x);
   x =(x*22)/(7*180);
  for (i=1;i<=n;i++)
     {
     for (j=1;j<=2*i-2;j++)
   {
     fact *=i;
      sum += pow(x,(2*i-2))*pow(-1,(i+1))/fact;
   }
   }
    printf (“sum =%f”,sum);
    getch ();
}

 

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