Известно, что \(\sin x=\frac{5}{13}\) и \(x\in(\frac{\pi}{2}; \pi).\) Найдите \(\cos x; \tg x; \ctg x.\)
\(\ctg x\)
\(\tg x\)
\(\cos x\)
\(-\frac{12}{5}\)
\(\frac{12}{13}\)
\(\frac{5}{12}\)
\(-\frac{5}{12}\)
\(-\frac{12}{13}\)