Prove that the partial sums ofcos nx are uniformly bounded. Note: Sorry I don't know laytex :(.
Attempt:
n/m, I've solved it.
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Prove that the partial sums of
Attempt:
n/m, I've solved it.
Is this really unif. bounded? In which interval? If you work inQuote:
Originally Posted by skepticsmind
Prove that the partial sums of
Attempt:
n/m, I've solved it.
then taking
we get that
so it can't be unif. (not even pointwise) bounded in the whole line.