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If tan(x)=2 and cos(x) is negative, what would the sin(x) be equal to?
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- fcas80Lv 71 day agoFavorite Answer
By Oythagorean Theorem, hypotensue = sqrt(5)
tan pos & cos neg suggests third quadrant, where sin is ngetaive
sin x = - 2/sqrt(5)
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