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- 1. Multiple Choicesin 150-1/2-√3/21/2√3/2
- 2. Multiple Choicecos 9001-1undefined
- 3. Multiple Choicetan 27001-1undefined
- 4. Multiple Choicetan 225√2/2-√2/21-1
- 5. Multiple Choicecos 135√2/2-√2/2√3/2-√3/2
- 6. Multiple Choicetan 210√3-√3√3/3-√3/3
- 7. Multiple Choice
We use the Unit Circle to construct the sine and the cosine functions. The unit circle is called the unit circle because:
It is only one circle
The area of the circle is equal to one
Because its radius is equal to one
Because its circumference is equal to one
- 8. Multiple Choice
sin 210°
- 9. Multiple Choice
cos 135°
√2/2
-√2/2
√3/2
-√3/2
- 10. Multiple Choicecos(60°)01/2√3/21
- 11. Multiple ChoiceWhat is the radius of a unit circle?121/20
- 12. Multiple ChoiceWhat are the coordinates of 60° on the unit circle?(0, 1)(1/2, √3/2)(√3/2, 1/2)(√2/2, 1/2)
- 13. Multiple Choicesinθ is positive inthe 1st and 2nd quadrantsthe 1st and 3rd quadrantsthe 1st and 4th quadrantsthe 2nd and 3rd quadrants
- 14. Multiple Choicecosθ is positive inthe 1st and 2nd quadrantsthe 1st and 3rd quadrantsthe 1st and 4th quadrantsthe 2nd and 3rd quadrants
- 15. Multiple Choice
- 16. Multiple Choice
Based on the unit circle, what is the value of sin?
y
x
x/y
y/x
- 17. Multiple Choice
Based on the unit circle, what is the value of cos?
y
x
x/y
y/x
- 18. Multiple ChoiceBased on the unit circle, what is the value of tan?y/rx/rr/yy/x
- 19. Multiple Choice
Find sin(-240°)
(√3)/2)
(-1/2)
(√2/2)
(1/2)
- 20. Multiple Choice
What rule should you use?SineCosine - 21. Multiple ChoiceWhat rule should you use?SineCosine
- 22. Multiple ChoiceWhat rule should you use?SineCosine
- 23. Multiple ChoiceWhen using the sine rule how many parts (fractions) do you need to equate?All 3 parts1 part2 parts
- 24. Multiple ChoiceWe can use SOH-CAH-TOA for...Any triangle everNon-right triangles onlyRight Triangles onlyNever
- 25. Multiple Choice
- 26. Multiple Choice
- 27. Multiple Choice
left 45
right 45
left 225
right 75
- 28. Multiple Choice
left 7.5
right 7.5
left 60
right 60
- 29. Multiple Choice
down 45
up 45
up 5
down 5
- 30. Multiple Choice
What is the complement of an angle?
You look lovely todayAngle + complement= 180 degrees
Angle + complement = 90 degrees
A radian - 31. Multiple ChoiceIn which quadrants is the sine function positive?11,22,3All
- 32. Multiple ChoiceThe cosine of an acute angle in a triangle is the ratio of which two of its sides?opposite/adjacentadjacent/hypotenuseopposite/hypotenusehypotenuse/adjacent
- 33. Multiple Choice
What is the capital of Scotland?
Glasgow
Perth
Aberdeen
Edinburgh
- Answer choicesTagsAnswer choicesTags