Determine whether the following series * converge * or * diverge. * Answer "Converges" or "Diverges."

?
Converges
Diverges
** 1. ** \displaystyle \sum_{k=1}^{\infty}\left(\cos 2 \right)^k

** Note:** * You only have two attempts at this problem.*

** 2. **

** 3. **

You can earn partial credit on this problem.