Ответ:

x = π/6 + πk ; x = π/2 + 2πk

Обьяснение

3sin x - 3 = 0

sin x = 1

x = π/2 + 2πk , k € Z

tg x - 1/√3 = 0

tg x = 1/√3

x = arctg(1/√3) + πk , k € Z

x = π/6 + πk , k € Z