What are the coordinates of 60° on the unit circle?
(0, 1)
(1/2, √3/2)
(√3/2, 1/2)
(√2/2, 1/2)
6. Multiple Choice
1 minute
1 pt
What is the equation of graph?
y = sin 5x
y = cos 5x
y = 5 sin x
y = 5 cos x
7. Multiple Choice
45 seconds
1 pt
What is the range of y = sin x?
All real numbers
-1 ≤ x ≤ 1
-1 ≤ y ≤ 1
-2π ≤ y ≤ 2π
8. Multiple Choice
30 seconds
1 pt
If A = 450 then sin2A1+cos2A =
2
0
1
3
9. Multiple Choice
30 seconds
1 pt
Arcsin(cos π/6)
π/6
π/3
-π/6
π/4
10. Multiple Choice
5 minutes
1 pt
Dustin is stuck at the top of a Ferris wheel. His mother is standing 38 feet from the base of the wheel watching him. If the angle of elevation from Dustin's mom to Dustin is 73o, how far off the ground is Dustin?