Images COS 2X

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Cos 2x. Y 3cos2x график. Y 2cos2 x+п/3. Y=2cos(2x-п/3)-0,5. Y 3cos x-2п/3.
Y 3cos2x график. Y 2cos2 x+п/3. Y=2cos(2x-п/3)-0,5. Y 3cos x-2п/3.

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