Code:
#include stdio.h
#include math.h
#include stdlib.h
void main()
{
int n, x1;
float accuracy, term, denominator, x, sinx, sinval;
printf("Enter the value of x (in degrees) \n");
scanf("%f", &x);
x1 = x;
/* Converting degrees to radians */
x = x * (3.142 / 180.0);
sinval = sin(x);
printf("Enter the accuracy for the result \n");
scanf("%f", &accuracy);
term = x;
sinx = term;
n = 1;
do
{
denominator = 2 * n * (2 * n + 1);
term = -term * x * x / denominator;
sinx = sinx + term;
n = n + 1;
} while (accuracy <= fabs(sinval - sinx));
printf("Sum of the sine series = %f \n", sinx);
printf("Using Library function sin(%d) = %f\n", x1, sin(x));
}
Output:
Enter the value of x (in degrees)
60
Enter the accuracy for the result
0.86602540378443864676372317075294
Sum of the sine series = 0.855862
Using Library function sin(60) = 0.866093
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