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.