Question: (2.5pts) Write a argument to determine whether the series2cos( k )converges or diverges. (arcsin(0.5)) k +2 k 2. (3.5pts) Write a argument to determine whether

(2.5pts) Write a argument to determine whether the series2cos(k)converges or diverges.

(arcsin(0.5))k+2k

2. (3.5pts) Write a argument to determine whether the series2converges or diverges.

k=1

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