Find the value of $cos(frac{pi}{3})$ using the unit circle on a graphing calculator
Answer 1
Maria Rodriguez
On the unit circle, the angle $\frac{\pi}{3}$ corresponds to 60 degrees. The coordinates of this point are $(\frac{1}{2}, \frac{\sqrt{3}}{2})$. The x-coordinate of this point is $\cos(\frac{\pi}{3})$.
Therefore,
$ \cos(\frac{\pi}{3}) = \frac{1}{2} $
Answer 2
Benjamin Clark
The angle $frac{pi}{3}$ on the unit circle corresponds to a point with coordinates $(frac{1}{2}, frac{sqrt{3}}{2})$. Thus, the value of $cos(frac{pi}{3})$ is the x-coordinate of this point.
$ cos(frac{pi}{3}) = frac{1}{2} $
Answer 3
Henry Green
$cos(frac{pi}{3})$ is the x-coordinate of the point on the unit circle at angle $frac{pi}{3}$.
$ cos(frac{pi}{3}) = frac{1}{2} $
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