Neka je

polinom s racionalnim koeficijentima takav da

Nađi vrijednost od
Let

be a polynomial with rational coefficients such that

Find the value of
[lang=hr]
Neka je $P$ polinom s racionalnim koeficijentima takav da
$$P(\pi)=\sum_{n=1}^{\infty} \frac{cos(n)}{n^4}$$
Nađi vrijednost od $P(4)$
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[lang=en]
Let $P$ be a polynomial with rational coefficients such that
$$P(\pi)=\sum_{n=1}^{\infty} \frac{cos(n)}{n^4}$$
Find the value of $P(4)$
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