T Turiski Oct 2009 35 11 Jun 9, 2010 #2 Is there any more work you can show us? As a method I would use a double angle formula with cos2x EDIT: Now that this has been moved, I'm wondering what the question is. I assumed it was an integration problem but that's not very clear. Last edited: Jun 9, 2010

Is there any more work you can show us? As a method I would use a double angle formula with cos2x EDIT: Now that this has been moved, I'm wondering what the question is. I assumed it was an integration problem but that's not very clear.