Найдите \(\cos 30^\circ\) . \(\frac {\sqrt{3}}{2}\) \(\frac {\sqrt{2}}{2}\) \(\frac{1}{2}\)
Задание

Найдите \(\cos 30^\circ\) .

  • \(\frac {\sqrt{3}}{2}\)
  • \(\frac {\sqrt{2}}{2}\)
  • \(\frac{1}{2}\)