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Question

Iftext end text z equals r e to the power of i theta end exponent comma text end textthen text end text open vertical bar e to the power of l z end exponent close vertical bar text end textis equal to

  1. e to the power of negative r c o s invisible function application theta end exponent    
  2. e to the power of rcos invisible function application theta end exponent    
  3. e to the power of sin invisible function application theta end exponent    
  4. e to the power of negative r s i n invisible function application theta end exponent    

The correct answer is: e to the power of negative r s i n invisible function application theta end exponent


    z equals r e to the power of d end exponent
    open vertical bar e to the power of v end exponent close vertical bar equals e to the power of text fromestionel  end text end exponent equals e to the power of negative text rine  end text theta text  recan  end text end exponent
    e to the power of k end exponent equals e to the power of negative r u n e end exponent minus e to the power of ∣ r c o s invisible function application theta end exponent
    text So,  end text open vertical bar e to the power of text t  end text end exponent close vertical bar equals e to the power of negative r text  ins  end text end exponent text  . end text

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