\cos \dfrac{\pi}{3} = . \ctg \dfrac{\pi}{4} = . \cos \dfrac{3\pi}{2} = . \sin \dfrac{5\pi}{4} = . \tg \dfrac{\pi}{3} = .
Задание

Вычисли и запиши ответ

  1. \(\cos \dfrac{\pi}{3} = \) [ ].
  2. \(\ctg \dfrac{\pi}{4} = \) [ ].
  3. \(\cos \dfrac{3\pi}{2} = \) [ ].
  4. \(\sin \dfrac{5\pi}{4} = \) [ ].
  5. \(\tg \dfrac{\pi}{3} = \) [ ].