Question

Asked Apr 4, 2019

**a_n=cos((pi)(n))**

**sigma from (0) to inf, cos((pi)(n))**

1 Rating

Step 1

We have given a sequence

Step 2

We have to find that the given sequence converges or diverges within the limits 0 to ∞

Step 3

Since,

cos(nπ) = 1, (When n is even)

cos(...

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