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OpenStudy (anonymous):
Which of the following could be points on the unit circle? A. (1/3,2/3) B. (4/3,4/5) C. (6/7, sqrt 13/7 ) D. (5/13, 12/13)
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OpenStudy (anonymous):
The equation for the unit circle is: \[x^2 + y^2 = 1\] So, to check these points, plug in their x values and y values into this equation and see if it's true.
OpenStudy (anonymous):
Thank you!!
OpenStudy (anonymous):
You're welcome, glad I could help.
OpenStudy (anonymous):
so what was the answer?
OpenStudy (anonymous):
(1,1) & ( sqrt3/2, 1/3)
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