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Homework Help: Sin(2x) = Cos(2x)

  1. Nov 29, 2007 #1
    Solved thanks
    Last edited: Nov 30, 2007
  2. jcsd
  3. Nov 29, 2007 #2

    D H

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    Too much work! Make a simple substitution so you can solve the equation sin(u)=cos(u).
  4. Nov 29, 2007 #3


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    If you show what you have done we can help you find the mistake.
  5. Nov 29, 2007 #4


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    or just divide by cos(2x)
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