Ответы на вопрос:
1.y=sin(x/3+п/4 )- 1 (x/3+п/4) = 1 x/3 = π/2 - π/4 + πn, n∈z x/3 = π/4 + πn, n∈z x = 3π + 3πn, n∈z 2.y = tg(3x-π/3) tg(3x-π/3) = 0 3x-π/3 = πk, k∈z 3x = π/3 + πk, k∈z x = π/9 + (πk)/3, k∈z
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