Question

решение тригонометрического неравенства tg(3x-pi/4)<1/^3

Answer 1

tg(3x-π/4)<1/√3
-π/2+πn<3x-π/4<π/6+πn
-π/4+πn<3x<5π/12+πn
-π/12+πn/3<x<5π/36+πn/3
x∈(-π/12+πn/3;5π/36+πn/3)