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Determine whether the sequence converges or diverges. If it converges, find the limit. (If an answer does not exist, enter DNE....Asked by lidiya
Determine whether the sequence converges or diverges. If it converges, find the limit. (If an answer does not exist, enter DNE.)
An = cos(n/8)
An = cos(n/8)
Answers
Answered by
Steve
since cos(x) oscillates between 1 and -1, the sequence does not converge. As n/8 comes arbitrarily close to multiples of pi, cos(n/8) will get close to 1 or -1.
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