On Thu, 14 Apr 2011 at 07:40PM -0700, John H Palmieri wrote: > On Thursday, April 14, 2011 5:39:27 PM UTC-7, Michael Orlitzky wrote: > > > > Am I going crazy? > > > > sage: integrate(cos(2*x)*cos(x), x, 0, pi) > > 4/3 > > > > I get zero when I compute it. What version of Sage is this?
I'm getting 4/3 in 4.6.1 and 4.6.2. In 4.7.alpha4, it's correct. Dan -- --- Dan Drake ----- http://mathsci.kaist.ac.kr/~drake -------
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