Предмет: Алгебра, автор: Venera16

Найти значение выражения:
-38√3 tg(570°)

Ответы

Автор ответа: zueltor
0
тангенс - периодическая функция с периодом 180
значит можно отнять 540 от 570
tg(570)=tg(390)=tg(210)=tg(30)= frac{1}{ sqrt{3} }
-38* sqrt{3} * frac{1}{ sqrt{3} } =-38
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