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WorksheetsAssignment #3 Rev. Unit 6 11/9
Total questions: 25
Worksheet time: 2hrs 50mins
Name
Class
Date
1.
Convert π radians to degrees.
a)
90⁰
b)
180⁰
c)
360⁰
d)
60⁰
2.
Convert 150⁰ to radians
a)
5π/6
b)
3π/4
c)
7π/6
d)
2π/3
3.
Convert π/3 radians to degrees
a)
60⁰
b)
30⁰
c)
90⁰
d)
45⁰
4.
Convert π/4 radians to degrees
a)
90⁰
b)
45⁰
c)
60⁰
d)
30⁰
5.
What are the negative and positive coterminal angles of -225 degrees?
a)
375°, -600°
b)
125°, -356°
c)
135°, -585°
d)
60°, -120°
6.
Which of the following is a negative coterminal angle of 165 degrees?
a)
195
b)
525
c)
-525
d)
-195
7.
What are the negative and positive coterminal angles of 240 degrees?
a)
540°, -120°
b)
600°, -120°
c)
425°, -240°
d)
120°, -135°
8.
Find a coterminal angle to 45 degrees.
a)
360
b)
405
c)
315
d)
295
9.
Find a coterminal angle to -180 degrees.
a)
180
b)
90
c)
270
d)
360
10.
Find the arc length.
a)
3π/4 ft
b)
39π/4 ft
c)
13π/4 ft
d)
4π/13 ft
11.
Find the arc length
a)
7 cm
b)
28π cm
c)
7π cm
d)
28 cm
12.
What is cos(60°)
a)
0
b)
1/2
c)
√3/2
d)
1
13.
What is sin 7π/6
a)
1/2
b)
-1/2
c)
√3/2
d)
-√3/2
14.
What is the exact value of sin 150°
a)
-1/2
b)
-√3/2
c)
1/2
d)
√3/2
15.
What are the coordinates of 60° on the unit circle?
a)
(0, 1)
b)
(1/2, √3/2)
c)
(√3/2, 1/2)
d)
(√2/2, 1/2)
16.
What is the cos(7π/6)
a)
√3/2
b)
-√3/2
c)
-1/2
d)
1/2
17.
What the coordinates of 180° on the unit circle?
a)
0, 1
b)
1, 0
c)
-1, 0
d)
0, -1
18.
What is the period of the graph?
y=sin(x)
a)
π
b)
2π
c)
2π
d)
4π
19.
what is the amplitude of
y = 3sin (7x)
a)
7
b)
-2
c)
3
d)
6
20.
What is the period of
y= 4 sin (5x)
a)
2π/5
b)
π
c)
5
d)
5π
21.
What is the period of y=4cos5θ ?
a)
2π/5
b)
π
c)
5
d)
5π
22.
What is the amplitude of
y = 3 cos 2x?
y = 3 cos 2x?
a)
3
b)
2
c)
90⁰
d)
350⁰
23.
What is the vertical shift for
y = 4 cos(x) - 2?
a)
up 2
b)
left 2
c)
right 2
d)
down 2
24.
a)
amp: 1
b)
amp: 2
c)
amp: 21
d)
amp: 0
25.
What is the vertical shift of
y = -3sin (7x) -2
a)
up 7
b)
down 2
c)
up 3
d)
down 3
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