Предмет: Алгебра, автор: Zheka843

(1 cos 1,1 п)/cos 0,6 п

Ответы

Автор ответа: Rusyasha

0

-sin0,4 пи/-cos0,4 пи
tg0,4 пи

Автор ответа: Zheka843

0

получился -tg(П/20)

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