Дано: \(\cos\beta=\frac{5}{13}\) и \(\frac{3\pi}{2}<\beta<2\pi\) . Найдите: \(\sin\beta\) . \(-\frac{12}{13}\) \(\frac{12}{13}\) \(-\frac{5}{13}\) \(\frac{5}{13}\)
Задание

Дано: \(\cos\beta=\frac{5}{13}\) и \(\frac{3\pi}{2}\lt \beta\lt 2\pi\) . Найдите: \(\sin\beta\) .

  • \(-\frac{12}{13}\)
  • \(\frac{12}{13}\)
  • \(-\frac{5}{13}\)
  • \(\frac{5}{13}\)