Ответы на вопрос:
X=arctg a+πn x=arctg√3+πn x=π/3+πn 2 sin2x – sinx = 0 sinx (2 sinx – 1) = 0 sinx = 0 2sinx – 1 = 0 x 1 = π/2 + πk, k є r sinx = ½ x 2 = π/6 + 2 πk, k є r x 3 = 5π/6 + 2 πk, k є r
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