#include <iostream>
#include <cmath>
#ifndef M_PI
#define M_PI 3.14159265358979323846
#endif
int main() {
double s,v,h;
std::cin >> s >> v >> h;
double r = s * M_PI / 180;
double g = 10;
double hm = h + (v*v*pow(sin(r),1)) / (9*g);
printf("status 1 dan ketinggian %.2f\n", hm);
}
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