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Mathematics 29 Online
OpenStudy (anonymous):

I don't understand how to integrate this. I'm doing Fourier series. http://www.wolframalpha.com/input/?i=integrate+from+0+to+pi%2C+cosx+sinnx+dx&x=0&y=0

OpenStudy (anonymous):

yeh they do it by parts I think

OpenStudy (anonymous):

Test

OpenStudy (anonymous):

Unable to post a tiff file today on OpenStudy.com using Firefox, Google Chrome or Safari under Mac OS X 10.6.8. Paste "integrate Cos[x]*Sin[n*x]" into the input box at WolfframAlpha.com and then click on "show steps"

OpenStudy (anonymous):

interestingly enough, my link above is exactly from wolfram alpha

OpenStudy (anonymous):

Refer to the attached jpg file. It's the tiff file converted to jpg in Ubuntu Linux.

OpenStudy (anonymous):

Thanks, I eventually figured it out. I don't always remember all the trig identities.

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