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Misc integral

  1. Mar 23, 2010 #1
    [tex]
    \int xsin^2xdx
    [/tex]
    [tex]
    \frac{1}{2}\int x(1-cos2x)dx
    [/tex]
    [tex]
    \frac{x^2}{4}-\frac{1}{2}\int xcos2xdx
    [/tex]
    [tex]
    \frac{x^2}{4}-\frac{xsin2x}{4}-\frac{cos2x}{8}+C
    [/tex]
     
  2. jcsd
  3. Mar 23, 2010 #2
    Why are you posting? Just for info for other people?
     
  4. Mar 23, 2010 #3
    diffrent solutions
     
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