Learn how to find the point of the unit circle when given a specific angle

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Mathematics
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11th Grade - University
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Hard
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5 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What are the X and Y coordinates for the angle 30 degrees on the unit circle?
sqrt 3 / 2, 1/2
1/2, sqrt 3 / 2
sqrt 2 / 2, sqrt 2 / 2
1, 0
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which angle corresponds to the coordinate point (sqrt 2 / 2, sqrt 2 / 2) on the unit circle?
60 degrees
45 degrees
90 degrees
30 degrees
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
If a point (1/2, sqrt 3 / 2) is reflected over the Y-axis, what are the new coordinates?
-1/2, -sqrt 3 / 2
-1/2, sqrt 3 / 2
1/2, -sqrt 3 / 2
1/2, sqrt 3 / 2
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the coordinate point for 2π/3 on the unit circle?
1/2, sqrt 3 / 2
-1/2, sqrt 3 / 2
-sqrt 3 / 2, 1/2
sqrt 3 / 2, -1/2
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How many π thirds are there in a full circle?
3
6
4
2
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