Предмет: Алгебра, автор: vadimka2132

Определите знаки ответов:
sin 169 градусов
tg 132 градусов
cos (-78 градусов)
ctg 247 градусов

Ответы

Автор ответа: Margaritawolf

0

sin= -
tg = -
cos= -
ctg= +

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