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If the point (x,square root 3/3) is on the unit circle, what. is x? A) 2/3 B) square root(6)/3 C) 4/9 D) square root(2)/3

Jeffrey Rodriguez

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Ramon Kelly on January 25, 2019

If the point is on the unit circle:x2 + (√3/3 )2 = 12x2 + 3/9 = 1x2 + 1/3 = 1x2 = 1 - 1/3x2 = 2/3 / √x = √2/√3 · √3/√3 = √6 / 3Answer: (A ) square root (6) / 3


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