mmm3solve2

#include <iostream>
#include <cmath>
//#include <conio.h>
using namespace std;

int main()
{
    double x0=0.6,y0=0.8,x,y,d1,d2,eps=0.000001;
    setlocale(LC_ALL, "Russian");
    do
    {
        x=(sin(x0 + y0) - 0.1) / 1.2;
        y=sqrt(1 - x0 * x0);
        d1=sin(x + y) - 1.2 * x - 0.1;
        d2=x * x + y * y - 1;
        x0=x;
        y0=y;
    }while(abs(d1)>eps && abs(d2)>eps);
    cout<<"x="<<x<<" "<<"y="<<y<<endl;
    //getch();
    return 0;
}