Задача 23. Расположите в порядке убывания числа:   \({\text{tg}}\dfrac{{3\pi }}{7};\,\,\,\,{\text{tg}}\dfrac{{8\pi }}{7};\,\,\,{\text{ctg}}\dfrac{{4\pi }}{5}\)

1) \({\text{tg}}\dfrac{{3\pi }}{7};\,\,\,\,\,{\text{ctg}}\dfrac{{4\pi }}{5};\,\,\,\,{\text{tg}}\dfrac{{8\pi }}{7}\) 2) \({\text{tg}}\dfrac{{3\pi }}{7};\,\,\,\,{\text{tg}}\dfrac{{8\pi }}{7};\,\,\,{\text{ctg}}\dfrac{{4\pi }}{5}\)
3) \({\text{tg}}\dfrac{{8\pi }}{7};\,\,\,\,\,{\text{ctg}}\dfrac{{4\pi }}{5};\,\,\,\,{\text{tg}}\dfrac{{3\pi }}{7}\) 4) \({\text{tg}}\dfrac{{8\pi }}{7};\,\,\,\,\,{\text{tg}}\dfrac{{3\pi }}{7};\,\,\,\,{\text{ctg}}\dfrac{{4\pi }}{5}\)
5) \({\text{ctg}}\dfrac{{4\pi }}{5};\,\,\,\,{\text{tg}}\dfrac{{8\pi }}{7};\,\,\,\,\,\,{\text{tg}}\dfrac{{3\pi }}{7}\) 6) \({\text{ctg}}\dfrac{{4\pi }}{5};\,\,\,\,{\text{tg}}\dfrac{{3\pi }}{7};\,\,\,\,\,\,{\text{tg}}\dfrac{{8\pi }}{7}\)

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