What is the sum from n=0 to infinity of cos(2n) ?

The sum from n=0 to infinity of cos(2n) is diverges

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sum from n=0 to infinity of cos(2n)

n = 0 \sum \infty cos (2 n)

diverges

Solution steps

n = 0 \sum \infty cos (2 n)

Apply Series Divergence Test:

diverges

= diverges

r \to 1 lim (\frac{8 r + 1}{r + 3})

\int x sin^{3} (x) d x

\int 8 x^{5} e^{- x^{3}} d x

\int \frac{1}{2 sin ( x )} d x

4 x^{3} - 48 x^{2} + 6 x + 4

What is the sum from n=0 to infinity of cos(2n) ?
The sum from n=0 to infinity of cos(2n) is diverges