Приветствую Вас! 4tg(2x-π/4)=1 -4tg(π/4-2х)=1 tg(π/4-2х)=-1/4 π/4-2х=πn-tg^-1(1/4) ;n∈z -2x=πn+(-π/4-tg^-1(1/4)) ;n∈z Ответ:х=π/8+1/2tg^-1(1/4)-πn/2; n∈z