2cosπ/6- √3sin π/3 tg π/4 ctg π/6

Question

2cosπ/6- √3sin π/3 tg π/4 ctg π/6

Answer 1

Решение
2cosπ/6- √3sin π/3 tg π/4 ctg π/6 = 2*√3/2 - √3 * √3/2 * 1 * √3 = 
= √3 - 3√3/2 = - √3/2