সম্পাদনা
#include <cmath> #include <iostream> int main() { std::cout << std::atan2(0.5, 0.4) << std::endl; std::cout << std::atan2(0.5, 0.5) << std::endl; std::cout << std::atan2(0.5, 0.6) << std::endl; }
পূর্বরূপ
