integration of x^n*cos(a+b*x)

• Subject: integration of x^n*cos(a+b*x)
• From: Richard Fateman
• Date: Wed, 07 Jul 2010 14:26:26 -0700

since Maxima can integrate (x^n* exp(%i*(a+b*x)), x)
it seems to me it should be able to handle

x^n*cos(a+b*x)    which is the real part of that. And the answer is the 
realpart of the
answer to the exp(_) expression.

  (even declare([x,a,b,n],real), assume(x>0)) is no help.

RJF

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