Determine whether the following series converges. Σ (-1)*k sin k=1 Let a > 0 represent the magnitude of the terms of the given series. Identify and describe ak. Select the correct choice below and fill in any answer box in your choice. OA. ak = and for any index N, there are some values of k> N for which ak +1 2ax and some values of k>N for which ak + 1 sak. OB. ak= is nonincreasing in magnitude for k greater than some index N. OC. ak = is nondecreasing in magnitude for k greater than some index N.

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