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Equation of the normal to the curve x=1+2 log (cot(t)) and y = tan(t) + cot(t) at t equals fraction numerator pi over denominator 4 end fraction text  on it is end text

  1. x equals fraction numerator pi over denominator 4 end fraction    
  2. y equals 2    
  3. x equals 2    
  4. x equals 1    

The correct answer is: x equals 1


    text Find slope as  end text fraction numerator negative d x over denominator d y end fraction text  where  end text to the power of ´ end exponent t to the power of ´ end exponent text  is the parameter end text

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