Вычислите:
sin60xcos330+cos180+(sin225-cos(-45))^2

sin60=√3/2cos330=cos(360-330)=cos30=√3/2cos180=-1sin225=sin(270-45)=-cos45=-√2/2cos(-45)=-√2/2 (sin225-cos(-45))²=(-2√2/2)²=8/4=2sin60*cos330+cos180+(sin225-cos(-45))²=(√3/2)²-1+2=3/4+1=7/4=1,75Ответ: 1,75