(adsbygoogle = window.adsbygoogle || []).push({}); 1. The problem statement, all variables and given/known data

question is if this series converge absolutely, converge conditionally, or it diverges?

here it is: http://img442.imageshack.us/img442/5899/untitled8tn.jpg [Broken]

2. Relevant equations

cos1/n

3. The attempt at a solution

not sure where to start, maybe with the limit comparison test or ratio test?

please help. thanks.

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# Homework Help: Converge or diverge

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