Question: If an = cos ( ) for n = 1, 2, ..., which of the following statements about On must be true? 1=0 A The

If an = cos (" ) for n = 1, 2, ..., which of the following statements about On must be true? 1=0 A The series converges and lim an = 0. 12-+00 B The series diverges and lim an = 0. 7-+DO C The series converges and lim an / 0. 71-+DO D The series diverges and lim an * 0. 2-+00

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