Решите уравнение
2 cos x + ^ 3 =0
^3 tg x + 1 = 0
2 sin x - ^ 2 = 0
2 cos x - 1 + 0
2 cos x + ^ 3 =0
^3 tg x + 1 = 0
2 sin x - ^ 2 = 0
2 cos x - 1 + 0
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Answers & Comments
cosx=1/2
x=+-pi/6+2pi n, n принадлежит z