WorksheetsUnit Circle / Trig
Total questions: 20
Worksheet time: 48mins
Name
Class
Date
1.
What is the radius of a unit circle?
a)
1
b)
2
c)
1/2
d)
0
2.
Convert π radians to degrees.
a)
90⁰
b)
180⁰
c)
360⁰
d)
60⁰
3.
Convert π/3 radians to degrees
a)
60⁰
b)
30⁰
c)
90⁰
d)
45⁰
4.
Tangent is...
a)
a. Opposite/Adjacent
b)
b. Opposite/Hypotenuse
c)
c. neither a or b
d)
d. both a and b
5.
Which one is the easy way to remember trigonometric ratios?
a)
Sah Coh Toa
b)
Soh Cah Toa
c)
Soh Cah Tao
d)
Soh Ceh Toa
6.
1/Tan x =
a)
cos x
b)
csc x
c)
sec x
d)
cot x
7.
Find the missing side u
a)
2√3
b)
4
c)
8
d)
4√3
8.
Give the Ratio for SIN X
a)
opp/adj
b)
Adj/hyp
c)
Opp/hyp
d)
adj/opp
9.
Give the Ratio for COS X
a)
Adj/Hyp
b)
Opp/Adj
c)
Adj/Opp
d)
Opp/Hyp
10.
Find the measurement of the missing side indicated
a)
4.39
b)
3.21
c)
2.19
d)
2.05
11.
Find the missing angle indicated by
θ
θ
a)
21.80
b)
23.57
c)
66.4
d)
69.8
12.
A 14 foot ladder is used to scale a 13 foot wall. At what angle of elevation must the ladder be situated in order to reach the top of the wall?
a)
68.2
b)
21.79
c)
42.87
d)
162.5
13.
Solve for the misssing distance
a)
18.9
b)
19.5
c)
47
d)
27.5
14.
Solve for x.
a)
24.20
b)
4.92
c)
290.4
d)
29.75
15.
How do you know which side is the OPPOSITE?
a)
It is next to the right angle
b)
It is opposite the right angle
c)
It is opposite the theta
d)
It is the bottom leg of the triangle
16.
What is
cos 90o?
cos 90o?
a)
1
b)
0
c)
-1
d)
1/2
17.
A triangle has two equal sides only. What is it called?
a)
Scalene
b)
Isoceles
c)
Right-angled
d)
Equilateral
18.
An angle is 135°. What is it called?
a)
A straight angle
b)
An acute angle
c)
A reflex angle
d)
An obtuse angle
19.
What are the two angles between 0 and 360 degrees that correspond to a sine value of 0.5?
a)
210° and 30°
b)
150° and 210°
c)
210° and 330°
d)
150° and 30°
20.
What are the two angles between 0 and 360 degrees that correspond to a tan value of 1.6?
a)
57.99 and 237.99
b)
57.99 and 212.01
c)
56.25 and 212.01
d)
56.25 and 237.99
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