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## Homework Statement

does this problem converge? http://img67.imageshack.us/img67/4246/untitleddg2.jpg [Broken]

## Homework Equations

lim inf.

n = 1 E cos(pi/n) converge?

## The Attempt at a Solution

i tried using the squeeze theorem, but that's not the way to do this.

please help.

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