Предмет: Алгебра, автор: veselaya3

Знайдіть sin α, якщо ctg α = корень из 3 і π < α <3П/2

Ответы

Автор ответа: Анетка125

ctg α=√3
α=π/6 + πn
Тк у нас есть ограничение: π<α<3π/2
То единственный корень, который подходит 7π/6
sin7π/6=-1/2
Ответ: -1/2

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