In the unit circle above, the ordered pa...

In the unit circle above, the ordered pair `(x, y)` represents a point P where the terminal side intersects the unit circle, as shown in the accompanying figure. If `theta=(pi)/(3)` radians, what is the value of y?

`-(sqrt(3))/(2)`

`-(sqrt(2))/(2)`

`-sqrt(3)`

`-(1)/(2)`

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