Tg^3 x+tg^2 x-2tgx-2=0 помогите пожааааааааааалуйста!!!!!!!!
(tg³x + tg²x) + ( -2tgx - 2) = 0 tg²x(tgx +1) - 2(tgx +1) =0 (tgx +1)(tg²x -2 ) = 0 tgx +1 = 0 или tg²x -2 = 0 tgx = -1 tg²x = 2 x = -π/4 + πk , k ∈Z tgx = +-√2 x = +-arctg(√2) + πn , n ∈Z