Выразите в градусной мере п/6, 7п/18, -11п, п/720, п/2, п/36,-9п/4, п/540
Π радианов равно 180°. π/6=30; 7π/18=70°; π/720=1/4°=0,25°; π/2=90°; π/36=5°; π/540=1/3°;