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- 1. Multiple Choice
What is the amplitude of the function
f(x) = -3cos x ?-336-6 - 2. Multiple ChoiceThe value of tan 45° is ...0½1½√2
- 3. Multiple ChoiceWhat is the period in the function
-3 sin 2(x – 40°) + 7
?720°360°180°120° - 4. Multiple ChoiceWhich describes the midline of the function
-3 sin 2(x – 40°) + 7
?x = 7y = 7x = 1y = 4 - 5. Multiple ChoiceChoose the correct ratio.ABCD
- 6. Multiple ChoiceChoose the correct ratio.sin(37)=x/14cos(37)=x/14tan(37)=x/14sin(37)=14/x
- 7. Multiple ChoiceSolve for the missing angle32°44°61°50°
- 8. Multiple ChoiceA lighthouse is due east of a sailboat. The sailboat's dock is 30 km straight north of the lighthouse. The angle of elevation between the captain on the boat and the dock is 35 degrees. How far is the sailboat from the dock?17.2 km24.5 km52.3 km60 km
- 9. Multiple ChoiceConvert 140⁰ into radians7/9π6/11π12/17π4/7π
- 10. Multiple ChoiceConvert 3π/4 to degrees147.3°135°125°173.8°
- 11. Multiple ChoiceFind x.105203
- 12. Multiple Choicee = 13√2 f = 13√2e = 13 f = 13e = 3√2 f = 3√2e = 26√2 f = 26√2
- 13. Multiple ChoiceWhat is the equation of the blue graph?y = 2sin xy = sin(2x)y = sin(x + 2)y = sin x - 2
- 14. Multiple ChoiceWhat is the exact value of cos 330°-1/2-√3/21/2√3/2
- 15. Multiple ChoiceWhat is the exact value of sin 210°-1/2-√3/21/2√3/2
- 16. Multiple ChoiceFind the arc length. Leave your answer in terms of π.7/4π7/2π1/8π45π
- 17. Multiple ChoiceFind the area of the dark blue sector shown at the left. The radius of the circle is 4 units and the length of the arc (the curved edge of the sector) measures 7.85 units. Express answer to thenearest tenth of a square unit.0.3 square units15.7 square units19.7 square units50.3 square units
- 18. Multiple ChoiceFind an angle coterminal with an angle which measures 11π ∕ 3.17 π / 34π ∕ 3π ∕ 38π ∕ 3
- 19. Multiple ChoiceFind the reference angle for an angle measuring θ = -310⁰50⁰-50⁰20⁰40⁰
- 20. Multiple ChoiceFind the reference angle for an angle measuring θ = -2π / 3π / 32π /3-π /360⁰
- 21. Multiple ChoiceIf the point (-2, 3) lies on the terminal side of an angle θ, find the value of cosθ-2√13 / 13√13 / -2-2√5 / 5-2 / 3
- 22. Multiple ChoiceIf the point (-2, -5) lies on the terminal side of an angle θ, find the value of tan θ and cos θ.5 / 2 and -2 / 5-5 / 2 and -2 / 5√29-5 / -2 and -2 √29 / 295 / 2 and -2 √29 / 29
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