Question

Вычислить значение выражение

Answer 1

1.   =[соs(52-7)]/[sin(29+16)]=cos45sin45=tg45=1.
2.   =-sin600=-sin(720-120)=-(-sin120)=sin120=sin(180-60)=sin60=√3/2.
3.   =cos(360+120)=cos120=cos(180-60)=-cos60=-1/2=-0,5
4.   π/3+π/6=π/2, => tgπ/3=ctgπ/6
(tgπ/3)/(ctgπ/6)=1
=1-√2*(-√2/2)=1+1=2