3 cos180°+ 5 ctg 270° - 2 tg 0° -sin 60°

Question

3 cos180°+ 5 ctg 270° - 2 tg 0° -sin 60°

Answer 1

3 cos180°+ 5 ctg 270° - 2 tg 0° -sin 60°=3*(-1)+5*0-2*0-корень(3)/2=-3-корень(3)/2