Photos SIN 9

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Sin 9. Sin(2x-π/3) >1/3 гдз 10 класс. Sin9x sin3x 1/2 cos6x. 2 Sin⁡(π-х)+1=0. Cos(x/3-π/4)=-1/2.
Sin(2x-π/3) >1/3 гдз 10 класс. Sin9x sin3x 1/2 cos6x. 2 Sin⁡(π-х)+1=0. Cos(x/3-π/4)=-1/2.

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