#include <iostream>
#include <cmath>
#include <iomanip> // Untuk setprecision dan fixed
 
int main() {
    // Konstanta dan variabel (contoh nilai)
    const double g = 9.80665; // Percepatan gravitasi (m/s^2)
    double v = 10.0;         // Kecepatan awal (m/s)
    double theta_derajat = 45.0; // Sudut peluncuran dalam derajat
 
    // Konversi sudut dari derajat ke radian
    double theta_radian = theta_derajat * (M_PI / 180.0); // M_PI adalah konstanta pi dari cmath
 
    // Hitung jarak horizontal
    double jarak_horizontal = (v * v * std::sin(2 * theta_radian)) / g;
 
    // Format dan cetak hasil
    std::cout << std::fixed << std::setprecision(1);
    std::cout << "Jarak horizontal terjauh: " << jarak_horizontal << " m" << std::endl;
 
    return 0;
}

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