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grade 12 · PRE-002
Read a unit-circle coordinate
Use reference angles and quadrant signs to identify exact coordinates.
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Fresh problem · seed 1114469715
Which point on the unit circle corresponds to \(30^\circ\)?
30°
Choose an answer
\(\left(\frac{\sqrt2}{2},\frac{\sqrt2}{2}\right)\)
\(\left(\frac12,\frac{\sqrt3}{2}\right)\)
\(\left(-\frac12,\frac{\sqrt3}{2}\right)\)
\(\left(\frac{\sqrt3}{2},\frac12\right)\)