Автор - Rusma123
arccos(cos(300°)) - arctg(tg(100°)) + arcsin(sin(-200°)) = arccos(cos(-60°)) - arctg(-tg(80°)) + arcsin(-sin(200°)) = arccos(cos(60°)) + arctg(tg(80°) + arcsin(sin(20°)) = 60° + 80° + 20° = 160°