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Тригонометрия

Тригонометрические функции

QuestionAnswer
Область определения синуса и косинуса Все действительные числа
В какой четверти синус отрицательный третья и четвёртая четверть
В какой четверти все функции положительны в первой
обрасть значения тангенса и котангенса все действительные числа
Фукнкция обратная синусу называется арксигус
Функция обратная косинусу называется арккосинус
Все тригонометрические функции периодические
Отношение прилежащего катета к гипатенузе - это косинус
отношение противолежащего катета к гипатенузе синус
Отношение прилежащего катета к противолежащему котангенс
Отношение прилежащего катета к противолежащему катету тангент
Created by: Bogdanova Yulia
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