Перейти к выбору ответа 02.04.2022Найти sin a, ctg a, tg a, если cos a = -(5/13) и известно, что π<а<3π/2 Выбрать другой вопрос Смотреть ответ Перейти к выбору ответа Математика Вопрос школьника по предмету Математика Найти sin a, ctg a, tg a, если cos a = -(5/13) и известно, что π<а<3π/2 Ответ учителя по предмету Математика sin a -12/13 tg a 12/5 ctg a 5/12
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мне нужно для обществознания.
и да, еще интересую:)