Question

Срочно пж.
Решить уравнение: tgx-3ctgx=0

Answer 1

$\tg(x) - 3 \ctg(x) = 0, \: x≠ \frac{\pi}{2}n, \:n \in Z \\ \tg(x) - \frac{3}{ \tg(x)} = 0 \\ \frac{ \tg^{2} (x) - 3}{ \tg(x)} = 0 \\ \tg^{2} (x) = 3 \\ \tg(x) = ±\sqrt{3} \\ x = \frac{\pi}{3} + \pi m , \: m \in Z\\ x = \frac{2\pi}{3} + \pi k, \: k \in Z$