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Homework Help: Two identical singe waves 90 degrees out of phase

  1. Jan 11, 2006 #1
    Is the output equal in amplitude to the original wave?
  2. jcsd
  3. Jan 11, 2006 #2


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    HINT: Can you write [itex]\sin x + \cos x[/itex] in terms of a single trig function?
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