#include <iostream>
#include <cmath>
 
using namespace std;
 
int main() {
  // Deklarasi variabel
  double kecepatanAwal, sudutPeluncuran, gravitasi;
 
  // Inisialisasi variabel
  gravitasi = 9.81; // m/s^2
 
  // Meminta input dari pengguna
  cout << "Masukkan kecepatan awal (m/s): ";
  cin >> kecepatanAwal;
 
  cout << "Masukkan sudut peluncuran (derajat): ";
  cin >> sudutPeluncuran;
 
  // Konversi sudut ke radian
  double sudutRadian = sudutPeluncuran * M_PI / 180.0;
 
  // Hitung ketinggian maksimum
  double ketinggianMaksimum = (kecepatanAwal * kecepatanAwal * sin(sudutRadian) * sin(sudutRadian)) / (2 * gravitasi);
 
  // Tampilkan hasil
  cout << "Ketinggian maksimum yang diperkirakan: " << ketinggianMaksimum << " meter" << endl;
 
  return 0;
}
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