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

does it converge absolutely, converge conditionally, or diverge?

heres the equation: http://img219.imageshack.us/img219/4645/untitled29fy.jpg [Broken]

2. Relevant equations

sin(pi/n)

3. The attempt at a solution

looks like the sin equation converges to zero.

i think this is an alternating series, but i'm not sure if this part converges or diverges?

thanks for any help here.

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# Converge, absolutely or conditionally?

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