Question

2sin60+4cos60-ctg30-2tg45

Answer 1

2*sqrt(3)/2+4/2-sqrt(3)-2*1=sqrt(3)+2-sqrt(3)-2=0

Answer 2

$2*frac{sqrt{3}}{2}+4*frac{1}{2}-sqrt{3}-2*1=sqrt{3} + 2 - sqrt{3} - 2 =0$