Предмет: Алгебра, автор: tlenets

вычислите (l-альфа)(e-принадлежит)
sin l/2,
если tg l=5/12
l e[Pi/2;3Pi/2]
решите плз вообще не понимаю как это делать

Ekaterina1819: Промежуток точно такой дан?

tlenets: да

Ответы

Автор ответа: Ekaterina1819

1

Получится вот так :)

Приложения:

tlenets: спасибо огромное

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