int factorial( int n);
#define PI 3.14
void main()
{
    int num,i,j,sign=1;
    float sum=0.0,term=0.0,x;
    printf("Enter the value of X: ");
    scanf("%f",&x);
    printf("Enter number of terms: ");
    scanf("%d",&num);
    printf("sin(%.2f)=",x);
    x=x*PI/180;
    j=1;
    for(i=1;i<=num;i++)
    {
        term= sign*(pow(x,j)/factorial(j));
        sign*=-1;
        sum+=term;
        j+=2;
    }
    printf("%f",sum);
}
int factorial(int n)
{
    if(n==0)
        return 1;
    else
        return n*factorial(n-1);
}