9000108804
Časť:
B
Určite body, ktoré vzniknú rotáciou bodu $ A = [3; 2] $ okolo bodu $ B = [1; 1] $ o $ 60^{\circ} $. Uvažujte rotáciu v kladnom i zápornom zmysle.
\(\left [2\pm \frac{\sqrt{3}}
{2} ; \frac{3}
{2} \mp \sqrt{3}\right ]\)
\(\left [1\pm \frac{\sqrt{3}}
{2} ; \frac{1}
{2} \mp \sqrt{3}\right ]\)
\(\left [2\pm \frac{\sqrt{2}}
{2} ; \frac{3}
{2} \mp \sqrt{2}\right ]\)
\(\left [1\pm \frac{\sqrt{2}}
{2} ; \frac{1}
{2} \mp \sqrt{2}\right ]\)