Integrating sin(x) exp(sin(x))

  1. Hello Physics Forum,

    I am trying to find an analytic solution to an equation of the form ∫sin(x/a) exp(b sin(x/a)) dx. I have tried integration by parts and all the usual tricks but can't seem to get anywhere

    Thanks in advance for your help

  2. jcsd
  3. You can express the undefined integral on the form of an infinite series, but not on a closed form with the elementary and current special functions.
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