Processing Math: Done
Solution 4.2:4b
From Förberedande kurs i matematik 1
We start by subtracting 3
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Then, by rewriting 3
2
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we see that 3
6
With the help of an auxiliary triangle and a little trigonometry, we can determine the coordinates for the point on a unit circle which corresponds to the angle
3
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The point has coordinates 2
−
3
2)
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