Предмет: Математика, автор: aliahmetovkanat

Дано |а|=2;cos(a,^b)=0,5 a*b=5
|a|=?

Ответы

Автор ответа: Тихон1000

0

Смотри на фото, всё максимально расписал. Если что, спрашивай)

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