jasLilyla3ckielden jasLilyla3ckielden

19-11-2016
Mathematics

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Sigma n=1 to infinity of cos n*pi/2

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syed514 syed514

20-11-2016

H/o just to make sure I'm rite is it cos(npi/2) or cos(npi)/2? Sorry, I just want to make sure

> sum((1/2)*cos*n*Pi, n = 1 .. infinity); "(->)" infinity = 0

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