sin30-cos60 5cos90-3ctg60 2tg45-sin45 4ctg30-6sin60

1. sin (30°) -cos (60°)=02. 5*cos (90°) -3*ctg (60°)=-корень (3)=-1,732050807568883. 2*tg (45°) -sin (45°)=2-1/корень (2)=1,292893218813454. 4*ctg (30°) -6*sin (60°)=4*корень (3) -27^ (1/2)=1,73205080756888