cos⁡ 60°= \[\frac{1}{2}\] \[\frac{\sqrt{2}}{2}\] \[\frac{\sqrt{3}}{2}\]
Задание

cos⁡ 60°=

  • \[\frac{1}{2}\]

  • \[\frac{\sqrt{2}}{2}\]

  • \[\frac{\sqrt{3}}{2}\]