Подскажите чему равна радианая мера: 150°,216°,310°. в градуснах мерах: -7пи/12,3пи/5,-пи/9

[latex]150^o~\frac{150^0*\pi}{180^o}=\frac{5*\pi}{6}[/latex] [latex]216^o~\frac{216^0*\pi}{180^o}=\frac{6*\pi}{5}[/latex] [latex]310^o~\frac{310^0*\pi}{180^o}=\frac{155*\pi}{90}[/latex]   [latex]-\frac{7*\pi}{12}~-\frac{7*180^o}{12}=-105^o[/latex] [latex]\frac{3*\pi}{5}~\frac{3*180^o}{5}=108^o[/latex] [latex]-\frac{\pi}{9}~-\frac{180^o}{9}=-20^o[/latex]