#include <cmath>
#include <iostream>

double degrees_to_radians(double deg)
{
    return deg * M_PI / 180.0;
}

int main()
{
    std::cout << "sin(45.0) = " << std::sin(degrees_to_radians(45)) << std::endl;
    std::cout << "cos(45.0) = " << std::cos(degrees_to_radians(45)) << std::endl;
}