trajectory

#include <iostream>
#include <cmath>

using namespace std;

int main()
{
	double a, b, c, d, t1, t2, tau, mas[1000][2];
	int i = 1;
	cin >> a >> b >> c >> d >> t1 >> t2 >> tau;
	mas[0][0] = t1;
	mas[0][1] = a * exp(b * t1) + c * sin(d * t1);
	while (t1 + i*tau <= t2)
	{
		mas[i][0] = mas[i - 1][0] + tau;
		mas[i][1] = a * exp(b * mas[i][0]) + c * sin(d * mas[i][0]);
		i++;
	}
	for (int j = 0; j < i; j++)
	{
		printf("%.4lf", mas[j][0]);
		cout << " ";
		printf("%.4lf", mas[j][1]);
		cout << endl;
	}
	return 0;
}