5lab(43)

#include <iostream>
#include <cmath>
using namespace std;
 
int main()
{
    int n = 0;
    double sum = 0;
    double sumsum = 0;
    const double Pi = 3.1415;
    cout << "\tСумма 1/sin(1) + 1/(sin(1) + sin(2)) + … + 1/(sin(1)+sin(2)+…+sin(n))\n";
 
    cout << "Введите n: ";
    cin >> n;
 
    for(int i = 1; i <= n; i++)
    {
        sum += sin((i)*(Pi/180));
        sumsum += 1/sum;
    }
    cout << "Сумма:" << sumsum << endl;
 
    return 0;
}