WRITE A C PROGRAM TO SUM THE SIN SERIES:

/*  WRITE A C PROGRAM TO SUM THE
SERIES:

                                                   x^3     x^5     x^7

                               SIN(x)= x - ----- + ----- + ----- + ...

                                                    3!        5!        7!   

*/

#include<stdio.h>

#include<conio.h>

#include<math.h>

#define PI 3.143

long int fact(int n)  /* To find factorial */

{

            if(n==0)

                        return 1;

            else

                        return(n*fact(n-1));

}

void main()

{

            int i,n,term=1;

            float x,y,sum;

            clrscr();

            printf("\n SIN Series...");

            printf("\n Enter No. of Terms N [1-12] : ");

            scanf("%ld",&n);

            if(n>=1 && n<=12)

            {

                        printf("\n Enter the Value of 'X' : ");

                        scanf("%f",&y);

                        x=y*(PI/180.00); /* Converting degrees to radians */

                        sum=x;

                        for(i=3;term<=n;i+=2)

                        {

                                    if(i==3)

                                                sum-=pow(x,i)/(float)fact(i);

                                    else

                                                sum+=pow(x,i)/(float)fact(i);

                                    term++;

                        }

                        printf("\n Sin(%f) = %f",y,sum);

            }

            else

                        printf("Wrong entry!!!");

            getch();

}

/*         =====OUT PUT=====

                         SIN Series...

      1. Enter No. of Terms N [1-12] : 9

             Enter the Value of 'X' : 45

             Sin(45.000000) = 0.707429

      2.   SIN Series...

            Enter No. of Terms N [1-12] : 5

            Enter the Value of 'X' : 0

            Sin(0.000000) = 0.000000

      3.   SIN Series...

             Enter No. of Terms N [1-12] : 15

            Wrong entry!!!

*/