#include<stdio.h>
#include<math.h>
void main()
{
int i = 2, n, s = 1, x, pwr = 1, dr;
float nr = 1, x1, sum;
clrscr();
printf(“nnt ENTER THE ANGLE…: “);
scanf(“%d”, &x);
x1 = 3.142 * (x / 180.0);
sum = x1;
printf(“nt ENTER THE NUMBER OF TERMS…: “);
scanf(“%d”, &n);
while(i <= n)
{
pwr = pwr + 2;
dr = dr * pwr * (pwr – 1);
sum = sum + (nr / dr) * s;
s = s * (-1);
nr = nr * x1 * x1;
i+= 2;
}
printf(“nt THE SUM OF THE SINE SERIES IS..: %0.3f”,sum);
getch();
}

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Tagged as: find the sum of the sine series, Program to find the sum of the sine series