What is the sum from n=0 to infinity of cos(3npi) ?

The sum from n=0 to infinity of cos(3npi) is diverges

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sum from n=0 to infinity of cos(3npi)

n = 0 \sum \infty cos (3 nπ)

diverges

Solution steps

n = 0 \sum \infty cos (3 nπ)

Apply Series Divergence Test:

diverges

= diverges

x \to 2 lim (2 x - 2)

t e^{2 t} cos (5 t)

(10 + sec (θ)) sin (θ)

\frac{1}{1 - x}, 8

\frac{d}{d x} (x^{2} ln (x^{5}))

What is the sum from n=0 to infinity of cos(3npi) ?
The sum from n=0 to infinity of cos(3npi) is diverges