#include <iostream>
#include <cmath>
#include <iomanip>
 
using namespace std;
 
int main() {
    double a, v; // a: sudut (angle), v: kecepatan (velocity)
    const double G = 10.0;
    const double P = M_PI / 180.0; // Konstanta untuk konversi derajat ke radian
 
    cout << "Sudut (derajat) & Kecepatan (m/s): ";
    cin >> a >> v; // Input 37 dan 10
 
    // Hitung jarak: R = (v^2 * sin(2*a_radian)) / g
    double R = (v * v * sin(2 * a * P)) / G;
 
    cout << fixed << setprecision(1) << "R: " << R << endl; // Output 9.6
 
    return 0;
}

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MTAKMTA=

10
10