НА
Наталья Алексина
sin(2x) + 2√3sin(x) - 6cos(x) - 6√3sin(x) = 0
2cos(x)*(sin(x) - 3) + 2√3sin(x)*(sin(x) - 3) = 0
(2cos(x) + 2√3sin(x))(sin(x) - 3) = 0
2cos(x) + 2√3sin(x) = 0
tg(x) = -1/√3
x = -π/6 + πk, k - целое.