В △АВС ∠ С= \({90^\circ}\) ; cos А= \(\frac{15}{17}\) Найдите tgА. \(\frac{17}{15}\) \(\frac{8}{17}\) \(\frac{15}{8}\) \(\frac{8}{15}\)
Задание

В △АВС ∠ С= \({90^\circ}\) ; cos А= \(\frac{15}{17}\) Найдите tgА.

  • \(\frac{17}{15}\)
  • \(\frac{8}{17}\)
  • \(\frac{15}{8}\)
  • \(\frac{8}{15}\)