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deoanh
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Asked: 2020-11-17T20:59:00+00:00 In: ,

Tap xac dinh Cos(x-2π÷3)

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Tap xac dinh Cos(x-2π÷3)

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    1 Answer

    1. \[\begin{array}{l}
      \cos \left( {x – \frac{{2\pi }}{3}} \right)\\
      TXD:\,\,\,D = R.
      \end{array}\]

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