Prove that the partial sums of $\displaystyle \sum$ cosnxare uniformly bounded. Note: Sorry I don't know laytex :(.

Attempt:

n/m, I've solved it.

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- Dec 16th 2009, 11:55 AMskepticsmindUniform boundedness
Prove that the partial sums of $\displaystyle \sum$ cos

*nx*are uniformly bounded. Note: Sorry I don't know laytex :(.

Attempt:

n/m, I've solved it. - Dec 17th 2009, 04:46 PMJose27