5lab(43)
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#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;
}
Cpp
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