Question

Решите неравенство: tg3x>1

Answer 1

$displaystyle tg3x textgreater 1\ \ - frac{3pi}{4}+ pi n textless 3x textless - frac{pi}{2}+pi n,n in mathbb{Z},,~~|:3\ \ boxed{- frac{pi}{4}+ frac{pi n}{3} textless x textless - frac{pi}{6}+ frac{pi n}{3} ,n in mathbb{Z} }$