Пошаговое объяснение:
1) sin(-π/3) = -sin(π/3) = -√3/2 ⇔ A) -√3/2
2) cos(-π/3) = cos(π/3) = 1/2 ⇔ Б) 1/2
3) tg(-π/3) = -tg(π/3) = -√3 ⇔ Д) -√3
4) ctg(-π/3) = -ctg(π/3) = -√3/3 ⇔ Г) -√3/3
Пошаговое объяснение:
1) sin(-π/3) = -sin(π/3) = -√3/2 ⇔ A) -√3/2
2) cos(-π/3) = cos(π/3) = 1/2 ⇔ Б) 1/2
3) tg(-π/3) = -tg(π/3) = -√3 ⇔ Д) -√3
4) ctg(-π/3) = -ctg(π/3) = -√3/3 ⇔ Г) -√3/3