Question

Вычислите!!!  2sin60°+4cos60°-ctg30°-2tg45°

Answer 1

2sin60°+4cos60°-ctg30°-2tg45°=$2* frac{ sqrt{3} }{2} + 4* frac{1}{2} - sqrt{3} -2*1= sqrt{3} +2- sqrt{3} -2=0$