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Homework Help: Any Hints .

  1. Jan 22, 2007 #1
    Any Hints plzzzz.

    hey guys can u plz give a few hints on how to solve the following diff equation---
    y' = 1 + x.(cos y)^2

    I have tried the substitution y = arccos x but it does not work. plz help me.
    thanks in advance.
  2. jcsd
  3. Jan 22, 2007 #2
    sorry y=arccos z.(instead of arccos x)
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