Question

Тендеу: log2 (tgx) = 0

Answer 1

$log_{2}tgx=0$

ОДЗ:
 $tgx\ \textgreater \ 0$

$log_{2}tgx=log_{2}1 \\ tgx=1 \\ \\ x= \frac{ \pi }{4} + \pi k$

Ответ: $\frac{ \pi }{4} + \pi k$

Answer 2

Tgx=2^0
tgx=1
X=pi/4+pin