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Averaged trig function with varying phase

  1. May 1, 2012 #1
    hey,

    If you have say,

    cos(x+β)

    where β is the phase and it fluctuates randomly (not just small fluctuations large ones) between 0 and 2∏

    the average value of cos(x+β) would still be 0 right?

    thanks
     
  2. jcsd
  3. May 1, 2012 #2

    tiny-tim

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    hey physicsjock! :smile:

    yes, provided that by "random" you mean that the distribution of ß is equally dense along the whole of [0,2π]
     
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