#include <iostream>
#include <math.h>
using namespace std;
int main()
{
float PI=3.1416;
for(int i=0;i<8;i++)
{
float tmp=sin(2*PI*1000*i*(1/8000))+0.5*sin(2*PI*2000*i*(1/8000)+(3*PI/4));
cout << "x(" << i << ") = " << tmp << "\n";
}
cout << "\n";
return 0;
}
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