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- Cos x = -x +π/2. Y = 0,1 cos π t ; y(t) график. Cos(π2−x). Cos(∝+2𝜋к) и sin(∝+2𝜋к)..
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- Cos x = -x +π/2. Y = 0,1 cos π t ; y(t) график. Cos(π2−x). Cos(∝+2𝜋к) и sin(∝+2𝜋к).. 