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WorksheetsIntro to Trig Functions Review
Total questions: 20
Worksheet time: 33mins
Name
Class
Date
1.
What is the value of x?
a)
9.17
b)
98.13
c)
0.11
d)
26.69
2.
What is the cosine of angle P?
a)
p/q
b)
q/r
c)
p/r
d)
r/q
3.
Find the value of y.
a)
9
b)
18√2
c)
9√2
d)
(9√2)/2
4.
Find a.
a)
12
b)
24
c)
24√3
d)
16
5.
What is 5π/6 radians in degrees?
a)
180
b)
150
c)
360
d)
120
6.
What is 11π/6 radians in degrees?
a)
30
b)
330
c)
360
d)
300
7.
What is 45 degrees in radians?
a)
π/2
b)
π/6
c)
π/4
d)
3π/4
8.
What is 90° in radians?
a)
π/4 radian
b)
π/2 radian
c)
π/6 radian
d)
3π/2 radian
9.
Convert to radian measure 20 degrees
a)
9π
b)
2π
c)
7π
d)
5π
10.
sin 7π/6
a)
1/2
b)
-1/2
c)
√3/2
d)
-√3/2
11.
What is the radius of a unit circle?
a)
1
b)
2
c)
1/2
d)
0
12.
sec 3π/2
a)
0
b)
undefined
c)
1
d)
-1
13.
tan 7π/4
a)
-1
b)
1
c)
√2/2
d)
undefined
14.
tan (-π)
a)
undefined
b)
0
c)
1
d)
-1
15.
Based on the unit circle, what is the value of sin?
a)
y
b)
x
c)
x/y
d)
y/x
16.
Based on the unit circle, what is the value of cos?
a)
y
b)
x
c)
x/y
d)
y/x
17.
Based on the unit circle, what is the value of tan?
a)
y/r
b)
x/r
c)
r/y
d)
y/x
18.
Find sin(-240°)
a)
(√3)/2)
b)
(-1/2)
c)
(√2/2)
d)
(1/2)
19.
cos 5π/6
a)
-1/2
b)
1/2
c)
√3/2
d)
-√3/2
20.
sin 2π/3
a)
1/2
b)
-1/2
c)
√3/2
d)
-√3/2
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