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What is the inverse function of x + sin x ?

  1. Aug 10, 2015 #1
    What is the inverse function of ##x+sin x## ?
  2. jcsd
  3. Aug 10, 2015 #2
    It appears to be an inverse that cannot be found using conventional means. If you're up for it, you could try the Langrange inversion theorem.
  4. Aug 10, 2015 #3


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    Education Advisor
    Gold Member

    There isn't one in elementary functions.
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