choose the point on the terminal side of theta=2pi/3
Do you know your unit circle?
You have to move the it to \[\LARGE \theta=\frac{2 \pi}{3} \] So: |dw:1388091737778:dw| Now find the points that exist there. Which would be \[\LARGE (-\frac{1}{2},~\frac{\sqrt{3}}{2})\] And yea, there ya go.
oh, thank you so much, i was overcomplicating it!
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