Would you find the values of(adsbygoogle = window.adsbygoogle || []).push({});

[oo]

[sum] (-1)^{n}cos(((2n)!)^{1/(2n)})

n=1

and

[oo]

[sum] (-1)^{n+1}sin(((2n+1)!)^{1/(2n+1)})

n=0

for me? I am computer-challenged.

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