C PROGRAM FOR EXPONENTIAL SERIES

                                    /* C PROGRAM FOR  EXPONENTIAL SERIES*/

#include<stdio.h>

#include<conio.h>

#include<math.h>

#define pi 3.14

void main()

{

       int n,i,j;

       float x,sum,p,f;

       clrscr();

       printf("\n\tEXPONENTIAL SERIES");

       printf("\n\t~~~~~~~~~~~~~~~~~~");

       printf("\n Enter the value of n:");

       scanf("%d",&n);

       printf("\n Enter the value for x:");

       scanf("%f",&x);

       x=x*(pi/180);

       sum=1;

for(i=1;i<=n;i++)

{

       p=1;

       f=1;

for(j=1;j<=i;j++)

{

       p=p*x;

       f=f*j;

}

       sum=sum+(p/f);

  }

       printf("\n The sum of series: %f",sum);

       printf("\n The cosine series: %f",exp(x));

getch();

}

OUTPUT:

        EXPONENTIAL SERIES

        ~~~~~~~~~~~~~~~~~~~~~~

 Enter the value of n: 4

 Enter the value for x: 6

 The sum of series: 1.110340

 The cosine series: 1.110340