Предмет: Алгебра, автор: Hatug

ctg(2pi-3arcsin(√2/2)

Ответы

Автор ответа: tsvant

0

ctg(2pi-3arcsin √2/2) = ctg (2pi - 3*pi/4) = ctg (8pi/4 - 3pi/4) =
= ctg (5pi/4)

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