I need some help in tackling this problem. Im unsure what test i should use to determine whether this series converges or not. I thinking maybe the comparison test?
(Sum of) n=1, infinity
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( you mean?) . Does this go to 0 as ? If not, then the series diverges.
edit: oops, lost the cosine heh
Last edited by maddas; Apr 10th 2010 at 09:18 PM.
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