Determine whether the sequence $a _ { n } = \cos ( n ( 1 + 2 \pi ) )$ converges or diverges. If it converges, find the limit.

Name: Determine whether the sequence $a _ { n } = \cos ( n ( 1 + 2 \pi ) )$ converges or diverges. If it converges, find the limit.
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The Answer of Determine whether the sequence $a _ { n } = \cos ( n ( 1 + 2 \pi ) )$ converges or diverges. If it converges, find the limit.

Determine Whether the Sequence an=cos⁡(n(1+2π))a _ { n } = \cos ( n ( 1 + 2 \pi ) )an​=cos(n(1+2π))

Determine Whether the Sequence $a _ { n } = \cos ( n ( 1 + 2 \pi ) )$