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What is the point of intersection of the terminal side of -120 with the unit circle?

What is the point of intersection of the terminal side of -120 with the unit circle?
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What is the point of intersection of the terminal side of -120 with the unit circle?

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User Paulinventome
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1 Answer

4 votes
The coordinates of that point (P) are shown on the graph to be (-.5, -.87).
Their exact value is (-1/2, -(√3)/2).
They are (cos(120°), sin(120°)).
What is the point of intersection of the terminal side of -120 with the unit circle-example-1
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User Javcek
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7.8k points
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