2. Describe the vertical shift in the graph of y = -2sin3x + 4. A.) Up 2 B.) Down 2 C.) Up 4 D.) Down 4

3. What is the amplitude of the wave whose equation is given as y = -3sin 2x + 1? A.) 1 B.) 2 C.) 3 D.) -3

4. What is the period of the graph of y =sin 3x? A.) 3 B.) π/3 C.) π D.) 2π/3

5. Which is the following functions is the reciprocal of sin A? A.) cos A B.) sec A C.) csc A D.) cot A

6. Which of the following angles has a reference angle of 30 degrees? A.) 120 degrees B.) 150 degrees C.) 240 degrees D.) 300 degrees

7. Which angle does NOT have a reference angle of 20 degrees? A.) 110 B.) 160 C.) 200 D.) 340

8. Which function is NOT paired with its reciprocal? A.) sin x, csc x B.) tanx, cotx C.) sin x, sec x D.) cos x, sec x

9. In which quadrants is tangent negative? A.) 1st and 3rd B.) 2nd and 3rd C.) 2nd and 4th D.) 3rd and 4th

10. One radian is approximately how many degrees? A.) 53.7 B.) π C.) 57.3 D.) 180

11. Convert 240 degrees to radian measure. Leave your answer in terms of pi. A.) 4/3 B.) 4π/3 C.) 2/3 D.) 2π/3

12. Convert 5π/6 to degrees. A.) 150 B.) 300 C.) 216 D.) 2.6

13. In which quadrants is the cosine function positive? A.) 1st and 2nd B.) 1st and 3rd C.) 3rd and 4th D.) 1st and 4th

14. If sin x = 5/13, then tan x = ? A.) 12/13 B.) 5/12 C.) 12/5 D.) 13/5

15. Which of these statements about y = sinx is false? A.) Its maximum value is 1. B.) Its period is 2π. C.) Its minimum value is -1. D.) It has a different amplitude than y = cosx.

16. What is the sin 60? A.) √2/2 B.) √3/2 C.) √3 D.) √3/3

17. If cosx = 1/7, what is cotx? A.) 5√2 B.) √2/10 C.) 4√3 D.) √3/12