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WorksheetsChapter 8 Trig Review
Total questions: 22
Worksheet time: 3hrs 26mins
Name
Class
Date
1.
FInd tanX
a)
32/40
b)
40/24
c)
32/24
d)
24/32
2.
Find the length of side w.
a)
21.4 cm
b)
18.0 cm
c)
36.5 cm
d)
43.6 cm
3.
Which trig function would help you solve for the missing angle?
a)
sine
b)
cosine
c)
tangent
d)
pythagorean theorem
4.
What trigonometric ratio would be used to find the distance from the ship to the plane?
a)
sine
b)
cosine
c)
tangent
d)
inverse sine
5.
Solve for x. Round to the nearest tenth.
a)
103.5
b)
4.7
c)
55.0
d)
23.4
6.
A ramp is being built next to a 4-inch high sidewalk. The ramps angle of inclination is 10 degrees. Estimate the length of the ramp to the nearest tenth of an inch.
a)
4.1 inches
b)
3.9 inches
c)
22.7 inches
d)
0.7 inches
7.
Susan is flying a kite, which gets caught in the top of a tree. Use the diagram to estimate the height of the tree.
a)
63 ft
b)
65 ft
c)
74 ft
d)
87 ft
8.
Find a coterminal angle to 20 degrees.
a)
740
b)
690
c)
760
d)
320
9.
Find the value of y.
a)
11√2
b)
11
c)
22
d)
11/√2
10.
A building 62 feet tall casts a shadow 21 meters long. At what angle is the sun shining on the building?
a)
19.80
b)
18.71
c)
70.20
d)
71.29
11.
Solve for u and v in the special right triangle.
a)
v = 9√3, u = 6√3
b)
v = 6√3 u = 9√3
c)
v = 9, u = 6√3
d)
v = 3√6, u = 6√3
12.
What is the length of y in this picture?
a)
45
b)
5√2
c)
90
d)
5
13.
Solve for x.
You will need to use 45-45-90 and 30-60-90 triangles.
You will need to use 45-45-90 and 30-60-90 triangles.
a)
10√3
b)
15
c)
5√3
d)
15√2
14.
What is 5π/6 radians in degrees?
a)
180
b)
150
c)
360
d)
120
15.
What is the reference angle for 240 degrees?
a)
60 degrees
b)
30 degrees
c)
45 degrees
d)
210 degrees
16.
Find a coterminal angle to -180 degrees.
a)
180
b)
90
c)
270
d)
360
17.
Which quadrant is -570⁰
a)
I
b)
II
c)
III
d)
IV
18.
What is the sin(120)?
a)
-1/2
b)
1/2
c)
-root(3)/2
d)
root(3)/2
19.
What is the cos(585)?
a)
1/2
b)
root(2)/2
c)
-root(2)/2
d)
-root(3)/2
20.
Find the cofunction of
csc(25o)
csc(25o)
a)
sec(25o)
b)
sec(65o)
c)
csc(65o)
d)
sin(25o)
21.
Find the cofunction of
sin(42o)=
sin(42o)=
a)
cos(42o)
b)
cos(48o)
c)
csc(48o)
d)
csc(42o)
22.
sin2θ + cos2θ = ?
a)
90
b)
1
c)
0
d)
-1
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