Discover Questions

Which moon phase has the Sun and Earth on the same side? How many molecules of carbon dioxide are present in 3.09074 mol of that substance? Answer in units of molecules? Is the sum of 2 independent identically distributed Markov chains a Markov chain? What's the integral of (23secx)/(sqrt(16ln(secx+tanx))) ? Simplify [1-sin (a)] [1 + sin (a)]?