using System;

namespace SinCalculator
{
class Program
{
static void Main {
double result = 1;

for (double x = 0.1; x <= 10; x += 0.1)
{
double sinValue = Math.Sin$x$;
result *= 1 + sinValue;
}
Console.WriteLine$"Result:"+result$;
}
}

}

// Результат: 66.36631918645109