用C语言编写sinx的近似值,精确到10^(-6)

给,已经编译运行确认：
#include
#include
#include
double Factorial(int n) //求?乘
{
int i=0;
double factorical=1;
if(n==0)
return 1;
for(i=1;i 1e-6)
{
sum += t;
++m;
sign *= -1;
}
return sum;
}
int main()
{
double x;
printf("please input x:\n");
scanf("%lf",&x);
printf("%lf\n",Mysin(x));
system("pause");
return 0;
}