Найдите 5sin4x/3cos2x если sin2x=0.6

1 Was there a nuclear bomb in the last century? Yes, there was. 2 Were there any great inventions in the last century?Yes, there were. 3 Was there a Roman invasion in the last century? No,there wasn`t. 4 Were there any dinosaurs in the world ?Yes, there were. 5 Was there a civil war in Russia in the last century? Yes,there was.

Вот так, должно быть но