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- 1. Multiple Choice
Which of the following points is in the unit circle?
(1 / 2 , 1 / 2)
(-√2 / 2 , -√2 / 2)
(√2 / 3 , -√2 / 3)
(3 / 2 , 2 / 3)
- 2. Multiple Choice
What is sin 30 degrees?
1/2
x/r
3/2
2/2
- 3. Multiple Choice
On a point in the unit circle (x,y) the x value is the
cosine
tan
sine
tangent
- 4. Multiple Choice
Find the point on the Unit Circle associated with the angle 5π/3
(1 / 2 , 1 / 2)
(-√3 / 2 , 1/2)
(1 / 2 , -√3 / 2)
(-√3 / 2 , -1/2)
- 5. Multiple Choice
A point is in Quadrant-III and on the Unit Circle. If its x-coordinate is -4 / 5, what is the y-coordinate of the point?
3 / 5
-3 / 5
-2 / 5
5 / 3
- 6. Multiple Choice
Find the point on the Unit Circle associated with the angle 5π/3
(1 / 2 , 1 / 2)
(-√3 / 2 , 1/2)
(1 / 2 , -√3 / 2)
(-√3 / 2 , -1/2)
- 7. Multiple Choice
What point corresponds to an angle of 5π/2 radians on the unit circle?
(-1,1)
(1,1)
(-1,-1)
(0,1)
- 8. Multiple Choice
what is tan 45 degrees?
1
6
3/2
2
- 9. Multiple Choice
What is Tan 90 degrees?
constant
1
undefined
4
- 10. Multiple Choice
What is the radius of the unit circle?
2
3
2/3
1
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