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Project ID:
2000002107
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Nájdi algebraický tvar \( (\cos{45^{\circ}} +i\sin{45^{\circ}})^9 \).
\( \frac{\sqrt{2}}{2} + i\frac{\sqrt{2}}{2} \)
\( -\frac{\sqrt{2}}{2} - i\frac{\sqrt{2}}{2} \)
\( \frac{\sqrt{3}}{2} - \frac{i}{2} \)
\( i +1 \)