Images 4 COS 4X

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4 cos 4x. Cos4x 1 решение уравнения. Решите уравнения sin^2(x/4)-cos^2(x/4)=1. Sin4x cos4x sin2x-1/2. Sin4x cos4x cos 2 2x-1/2.
Cos4x 1 решение уравнения. Решите уравнения sin^2(x/4)-cos^2(x/4)=1. Sin4x cos4x sin2x-1/2. Sin4x cos4x cos 2 2x-1/2.

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