Photos COS2 Π X

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Cos2 π x. Решение:cos(2x-π/3)DX. Cos 3 π(x+2) = 2 1. Cos(π/2-x/2)-3cos(π-x/2)=0. Cos(π2−x).
Решение:cos(2x-π/3)DX. Cos 3 π(x+2) = 2 1. Cos(π/2-x/2)-3cos(π-x/2)=0. Cos(π2−x).

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