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Worksheets

Unit Circle Trig Values

Total questions: 118

Worksheet time: 3hrs 18mins

Name
Class
Date
1.
Convert 150⁰ to radians
a)
5π/6
b)
3π/4
c)
7π/6
d)
2π/3
2.
What is 7π/4 radians in degrees?
a)
300
b)
135
c)
315
d)
45
3.
Convert the following to degrees:
-8π/5 radians
a)
-288⁰
b)
-260⁰
c)
-275⁰
4.
sec 3π/2
a)
0
b)
undefined
c)
1
d)
-1
5.
tan 7π/4
a)
-1
b)
1
c)
√2/2
d)
undefined
6.
sin 7π/6
a)
1/2
b)
-1/2
c)
√3/2
d)
-√3/2
7.
tan (-π)
a)
undefined
b)
0
c)
1
d)
-1
8.
What is the exact coordinates of  3π/4 on the unit circle?
a)
(−√2∕2, √2∕2)
b)
(−√2∕2, −√2∕2)
c)
(−√3∕2, −√2∕2)
d)
(√2∕2, −√2∕2)
9.

What quadrant is -2π/3 in?

a)

I

b)

II

c)

III

d)

IV

10.
tanθ is positive in
a)
the 1st and 2nd quadrants
b)
the 1st and 3rd quadrants
c)
the 1st and 4th quadrants
d)
the 2nd and 3rd quadrants
11.
What is the radius of a unit circle?
a)
1
b)
2
c)
1/2
d)
0
12.
a)
b)
c)
d)
13.
Q: Mary’s father has 5 daughters – Nana, Nene, Nini, Nono. What is the fifth daughter's name?
a)
Nunu
b)
Dazlyn
c)
Mary
d)
Janet
14.
*
a)
csc x
b)
sec x
c)
cot x
d)
tan x
15.

Evaluate: csc(3π/4)

a)

√2/2

b)

-√2/2

c)

√2

d)

-√2

16.
sin (π/2)
a)
√3/2
b)
√2/2
c)
1/2
d)
1
17.
cos (π/4)
a)
√3/2
b)
√2/2
c)
1/2
d)
1
18.
cos(π)
a)
√3/2
b)
-√2/2
c)
-1
d)
1
19.
cos(5π/3)
a)
-√2/2
b)
-1/2
c)
1/2
d)
√3/2
20.
tan(3π/4)
a)
√2/2
b)
-√2/2
c)
√3/2
d)
-1
21.
tan(300o)
a)
-√3 /3
b)
½
c)
2√3 /3
d)
-√3
22.
cos(30o)
a)
- ½
b)
√3/2
c)
2√3 /3
d)
½
23.
Choose the best match for the graph.
a)
30o
b)
45o
c)
60o
d)
90o
24.
Choose the best match for the graph.
a)
30o
b)
45o
c)
60o
d)
90o
25.
Choose the best match for the graph.
a)
30o
b)
45o
c)
60o
d)
90o
26.
Choose the best match for the graph.
a)
45o
b)
90o
c)
135o
d)
180o
27.
What is the angle measure, in degrees, at the red marking on the unit circle?
a)
30°
b)
45°
c)
60°
d)
90°
28.
What is the value of θ, theta, in degrees on the unit circle?
a)
30°
b)
45°
c)
60°
d)
90°
29.

Based on the unit circle, what is the value of sin?

a)

y

b)

x

c)

x/y

d)

y/x

30.

Based on the unit circle, what is the value of cos?

a)

y

b)

x

c)

x/y

d)

y/x

31.
Based on the unit circle, what is the value of tan?
a)
y/r
b)
x/r
c)
r/y
d)
y/x
32.
sin(11π/6)
a)
-1/2
b)
1/2
c)
√3/2
d)
-√3/2
33.
What is the radius of the unit circle?
a)
0
b)
1
c)
1/2
d)
√2/2
34.

Find sin(-240°)

a)

(√3)/2)

b)

(-1/2)

c)

(√2/2)

d)

(1/2)

35.

Find cos(600°)

a)

(-1/2)

b)

(-√3/2)

c)

(√3/2)

d)

(√2/2)

36.
cos(60°)
a)
0
b)
1/2
c)
√3/2
d)
1
37.

cos 150o

a)

-1/2

b)

1/2

c)

√3/2

d)

-√3/2

38.
sin 7π/6
a)
1/2
b)
-1/2
c)
√3/2
d)
-√3/2
39.
What is the radius of a unit circle?
a)
1
b)
2
c)
1/2
d)
0
40.
What is the exact value of sin 150°
a)
-1/2
b)
-√3/2
c)
1/2
d)
√3/2
41.
Who's logo is this?
a)
McDonalds
b)
Burger King
c)
Checkers
d)
Wendys
42.
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)
43.
sinθ is positive in
a)
the 1st and 2nd quadrants
b)
the 1st and 3rd quadrants
c)
the 1st and 4th quadrants
d)
the 2nd and 3rd quadrants
44.
cosθ is positive in
a)
the 1st and 2nd quadrants
b)
the 1st and 3rd quadrants
c)
the 1st and 4th quadrants
d)
the 2nd and 3rd quadrants
45.
What is sin 45°?
a)
1
b)
√3/2
c)
½
d)
√2/2
46.
What is cos 90°?
a)
½
b)
undefined
c)
1
d)
0
47.
What is tan 45°?
a)
1
b)
√2/2
c)
√3/2
d)
½
48.
What is cos 30°?
a)
√3/2
b)
½
c)
√2/2
d)
1
49.
sin π/4
a)
√2∕2
b)
1/2
c)
√3/2
d)
0
50.
cos 5π/6
a)
-1/2
b)
1/2
c)
√3/2
d)
-√3/2
51.
cos 4π/3
a)
-√3/2
b)
√3/2
c)
1/2
d)
-1/2
52.
What is the exact coordinates of  3π/4 on the unit circle?
a)
(−√2∕2, √2∕2)
b)
(−√2∕2, −√2∕2)
c)
(−√3∕2, −√2∕2)
d)
(√2∕2, −√2∕2)
53.
sin 2π/3
a)
1/2
b)
-1/2
c)
√3/2
d)
-√3/2
54.
cos(π)=
a)
0
b)
1
c)
-1
d)
1/2
55.
cos (π/4)
a)
√3/2
b)
√2/2
c)
1/2
d)
1
56.
What is the radius of a unit circle?
a)
1
b)
2
c)
1/2
d)
0
57.
sinθ is positive in
a)
the 1st and 2nd quadrants
b)
the 1st and 3rd quadrants
c)
the 1st and 4th quadrants
d)
the 2nd and 3rd quadrants
58.
cosθ is positive in
a)
the 1st and 2nd quadrants
b)
the 1st and 3rd quadrants
c)
the 1st and 4th quadrants
d)
the 2nd and 3rd quadrants
59.

tanθ is positive in

a)

the 1st and 2nd quadrants

b)

the 1st and 3rd quadrants

c)

the 1st and 4th quadrants

d)

the 2nd and 3rd quadrants

60.

What are the 3 basic trig functions?

a)

Sine, cosine, and cotangent

b)

Sine, cotangent, and cosecant

c)

Sine, cosine, and tangent

d)

Cosecant, cosine, and cotangent

61.

If I wanted to find the sine of an angle, what side lengths would I need to know?

a)

base, hypotenuse

b)

hypotenuse, adjacent

c)

opposite, hypotenuse

d)

adjacent, opposite

62.

The cosine of an angle can be calculated by which expression?

a)

hypotenuseadjacent\frac{hypotenuse}{adjacent}

b)

oppositeadjacent\frac{opposite}{adjacent}

c)

adjacenthypotenuse\frac{adjacent}{hypotenuse}

d)

adjacentopposite\frac{adjacent}{opposite}

63.

What is the reciprocal of the sine function?

a)

cosecant

b)

cosine

c)

secant

d)

cotangent

64.

tan(θ)\tan\left(\theta\right)  of an angle,  θ\theta can be expressed as which of the following?

a)

oppositehypotenuse\frac{opposite}{hypotenuse}  

b)

oppositeadjacent\frac{opposite}{adjacent}  

c)

sin(θ)cos(θ)\frac{\sin\left(\theta\right)}{\cos\left(\theta\right)}  

d)

hypotenuseadjacent\frac{hypotenuse}{adjacent}  

65.
sin 150
a)
-1/2
b)
-√3/2
c)
1/2
d)
√3/2
66.
cos 90
a)
0
b)
1
c)
-1
d)
undefined
67.
tan 270
a)
0
b)
1
c)
-1
d)
undefined
68.
tan 225
a)
√2/2
b)
-√2/2
c)
1
d)
-1
69.
csc 300
a)
-2
b)
2
c)
2√3/3
d)
-2√3/3
70.
sec 300
a)
2√3/3
b)
-2√3/3
c)
2
d)
-2
71.
cos 135
a)
√2/2
b)
-√2/2
c)
√3/2
d)
-√3/2
72.
sin 180
a)
0
b)
1
c)
-1
d)
undefined
73.
cos 180
a)
0
b)
1
c)
-1
d)
undefined
74.
tan 180
a)
0
b)
1
c)
-1
d)
undefined
75.
cot 180
a)
0
b)
1
c)
-1
d)
undefined
76.
csc 0
a)
0
b)
1
c)
-1
d)
undefined
77.
tan 330
a)
√3
b)
-√3
c)
√3/3
d)
-√3/3
78.
tan 240
a)
√3
b)
-√3
c)
√3/3
d)
-√3/3
79.
tan 210
a)
√3
b)
-√3
c)
√3/3
d)
-√3/3
80.
tan 90
a)
0
b)
1
c)
-1
d)
undefined
81.
cot 90
a)
0
b)
1
c)
-1
d)
undefined
82.
sec 135
a)
√2
b)
-√2
c)
√2/2
d)
-√2/2
83.
csc 60
a)
2
b)
-2
c)
2√3/3
d)
-2√3/3
84.
sin 150
a)
1/2
b)
-1/2
c)
√3/2
d)
-√3/2
85.
sin π/4
a)
√2∕2
b)
1/2
c)
√3/2
d)
0
86.
cos 5π/6
a)
-1/2
b)
1/2
c)
√3/2
d)
-√3/2
87.
cos 4π/3
a)
-√3/2
b)
√3/2
c)
1/2
d)
-1/2
88.
sin 2π/3
a)
1/2
b)
-1/2
c)
√3/2
d)
-√3/2
89.
What is the exact coordinates of  3π/4 on the unit circle?
a)
(−√2∕2, √2∕2)
b)
(−√2∕2, −√2∕2)
c)
(−√3∕2, −√2∕2)
d)
(√2∕2, −√2∕2)
90.
a)
-√3/2
b)
c)
-√2/2
d)
-1
91.
a)
1
b)
-1
c)
0
d)
√2/2
92.
a)
√3/3
b)
√3
c)
1
d)
undefined
93.
a)
-1
b)
0
c)
undefined
d)
√3
94.
a)
½
b)
√2/2
c)
√3/2
d)
1
95.

Identify the Positive angle in both radians and degrees that represent point H.

a)

150°, 5π6150\degree,\ \frac{5\pi}{6}

b)

135°, 3π4135\degree,\ \frac{3\pi}{4}

c)

180°, π180\degree,\ \pi

d)

210°, 7π6210\degree,\ \frac{7\pi}{6}

96.

Identify the Positive angle in both radians and degrees that represent point D.

a)

60°, π360\degree,\ \frac{\pi}{3}

b)

45°, π445\degree,\ \frac{\pi}{4}

c)

60°, π3-60\degree,\ -\frac{\pi}{3}

d)

90°, π290\degree,\ \frac{\pi}{2}

97.

Identify the Positive angle in both radians and degrees that represent point L.

a)

240°, 4π3240\degree,\ \frac{4\pi}{3}

b)

225°, 5π4225\degree,\ \frac{5\pi}{4}

c)

60°, π3-60\degree,\ -\frac{\pi}{3}

d)

270°, 3π2270\degree,\ \frac{3\pi}{2}

98.

Identify the Positive angle in both radians and degrees that represent point I.

a)

180°, π180\degree,\ \pi

b)

210°, 7π6210\degree,\ \frac{7\pi}{6}

c)

150°, 5π6150\degree,\ \frac{5\pi}{6}

d)

360°, 2π360\degree,\ 2\pi

99.

Name the angle indicated by the graph in both radians and degrees.

a)

135°, 3π4-135\degree,\ -\frac{3\pi}{4}

b)

225°, 5π4225\degree,\ \frac{5\pi}{4}

c)

120°, 2π3-120\degree,\ -\frac{2\pi}{3}

d)

210°, 7π6210\degree,\ \frac{7\pi}{6}

100.

Name the angle that is coterminal to the angle indicated by the graph in both radians and degrees.

a)

135°, 3π4-135\degree,\ -\frac{3\pi}{4}

b)

225°, 5π4225\degree,\ \frac{5\pi}{4}

c)

120°, 2π3-120\degree,\ -\frac{2\pi}{3}

d)

210°, 7π6210\degree,\ \frac{7\pi}{6}

101.

Name the angle indicated by the graph in both radians and degrees.

a)

300°, 5π3300\degree,\ \frac{5\pi}{3}

b)

315°, 7π4315\degree,\ \frac{7\pi}{4}

c)

60°, π3-60\degree,\ -\frac{\pi}{3}

d)

300°, 5π3-300\degree,\ -\frac{5\pi}{3}

102.

Name the angle that is coterminal to the angle indicated by the graph in both radians and degrees.

a)

300°, 5π3300\degree,\ \frac{5\pi}{3}

b)

315°, 7π4315\degree,\ \frac{7\pi}{4}

c)

60°, π3-60\degree,\ -\frac{\pi}{3}

d)

300°, 5π3-300\degree,\ -\frac{5\pi}{3}

103.

Find the exact value of the trig ratio.
cos30°\cos30\degree   

a)

32\frac{\sqrt{3}}{2}  

b)

12\frac{1}{2}  

c)

22\frac{\sqrt{2}}{2}  

d)

12-\frac{1}{2}  

104.

Find the exact value of the trig ratio.
sin180°\sin180\degree   

a)

00  

b)

11  

c)

12\frac{1}{2}

d)

1-1  

105.

Find the exact value of the trig ratio.
cos(120°)\cos\left(-120\degree\right)   

a)

12-\frac{1}{2}  

b)

32\frac{\sqrt{3}}{2}  

c)

12\frac{1}{2}

d)

32-\frac{\sqrt{3}}{2}  

106.

Find the exact value of the trig ratio.
cos(5π3)\cos\left(\frac{5\pi}{3}\right)   

a)

12-\frac{1}{2}  

b)

32\frac{\sqrt{3}}{2}  

c)

12\frac{1}{2}

d)

32-\frac{\sqrt{3}}{2}  

107.

Find the exact value of the trig ratio.
cos(7π6)\cos\left(\frac{7\pi}{6}\right)   

a)

12-\frac{1}{2}  

b)

32\frac{\sqrt{3}}{2}  

c)

12\frac{1}{2}

d)

32-\frac{\sqrt{3}}{2}  

108.

Find the exact value of the trig ratio.
sin(11π6)\sin\left(-\frac{11\pi}{6}\right)   

a)

12-\frac{1}{2}  

b)

32\frac{\sqrt{3}}{2}  

c)

12\frac{1}{2}

d)

32-\frac{\sqrt{3}}{2}  

109.
What is the radius of the unit circle?
a)
1
b)
2
c)
10
d)
It varies.
110.
The sine of any angle on the unit circle is the y-coordinate.
a)
True
b)
False
111.
The cosine of any angle on the unit circle is the y-coordinate.
a)
True
b)
False
112.
When drawing a right triangle from any point on the unit circle to the x-axis, the hypotenuse is equal to one.
a)
True
b)
False
113.

 What is  sin(π6)\sin\left(\frac{\pi}{6}\right)  ?

a)

1

b)

1/2

c)

√3/2

d)

√2/2

114.

What is the  cos(3π4)\cos\left(\frac{3\pi}{4}\right)  ?

a)

√3/2

b)

-√3/2

c)

√2/2

d)

-√2/2

115.

What is  tan(5π6)\tan\left(\frac{5\pi}{6}\right)  ?

a)

√3

b)

-√3

c)

√3/3

d)

-√3/3

116.

cos(4π3)\cos\left(\frac{4\pi}{3}\right)  

a)

1/2

b)

-1/2

c)

√3/2

d)

-√3/2

117.

cos(5π4)\cos\left(\frac{5\pi}{4}\right)  


a)

-√3/2

b)

-1/2

c)

-√2/2

d)

√2/2

118.

tan(5π4)\tan\left(\frac{5\pi}{4}\right)  

a)

√2/2

b)

-√2/2

c)

-1

d)

1