sum (sin(nx)/n)(adsbygoogle = window.adsbygoogle || []).push({});

where n goes from 1 to infinity.

The result should be (1/2)*(pi-x) when 0(x(pi

and -(1/2)*(pi+x) when -pi(x(0

I need someone to show me how to attack this problem.

Thanks

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# Can someone help me with this sum

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