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Homework Help: Need some study material

  1. Oct 27, 2013 #1
    the amplitude of the function -1/5 sin(2/3x - pi/2) is equal to what? 1/5 i think can anybody help?
     
  2. jcsd
  3. Oct 27, 2013 #2

    LCKurtz

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    That is correct.
     
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