4.1

#include <iostream>
#include <math.h>
using namespace std;
int main()
{
    double n, b, bn, k;
    cin >>k;
    b=4.7;
    for (n=2; n<=k; n++)
   {
     bn=sin(b)+M_PI;
     b=bn;
     cout <<b<<' ';
   }
   return (0);}