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Nmne:
Geometry
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Section 8-4 and 8-5 Test Review
I) Identify the trigonometric ratio for sine.
A)
B)
C)
D)
2) Identify the trigonometric ratio for cosine.
opposite leg / hypotenuse
adjacent leg / hypotenuse
opposite leg / adjacent leg
hypotenuse I opposite leg
A)
B)
C)
D)
opposite leg f hypotenuse
adjacent leg I hypotenuse
opposite leg I adjacent leg
hypotenuse / opposite leg
Find the missing side; Round to the nearest tenth.
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II)
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3) Identify the trigonometric ratio for tangent.
opposite leg I hypotenuse
adjacent leg / hypotenuse
opposite leg / adjacent leg
hypotenuse I opposite leg
14)
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4 divided by 5 and then press the sin button.
4 divided by 5, press equals, and then press the sin button.
4 divided by 5, press equals, press the second button, and then press the sin button.
the sin button and then enter 4 divided by 5.
Find the value of each trigonometric
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30
36
30
15
B
Ji
Jtt
8) cos Z
7) sinX
21
20
y
.r
ZO
::::;.----
2tt
X
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1J-
4b zq
29
Z
B
1 (J)')
C;O
Round answers to the nearest tenth.
DO~
fM(\loto
'A.,;
11°
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68
7~A
.
5\ 1\1--:"
Sin 1'2-
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17)
~c
16)~
S)(I ~
15)~
Solve each triangle.
ratio.
6) tan A
5) cos Z
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65
2'!¢l>?
S\rf:~).
55
sin x = 4/5
24
to
x
Find the measure uf the indicated angle to the nearest degree.
4) What is the correct sequence for computing the
following expression in your calculator?
Enter
Enter
Enter
Press
Slt G;!.
Ubss=L
~
\0
13)~433
A)
B)
C)
D)
12)~0
c.oSt/S-- ~
10
~\'n
lS
.
~·x
A)
B)
C)
D)
Y
l~X
IOlv,
18)
=
.1.\
-
~'/.
\"1.')
19) Tom delivers papers on a rural route from his
car. He throws a paper from a height of 4 feet
and it lands 15 feet from the car. At what angle
of depression did he throw the paper to the
nearest degree?
tj:v
A
B
14
20) There is a cell phone tower in the field across
from Jen's house. If Jen walks 50 feet from the
tower and fmds the angle of elevation from her
position to the top of the tower to be 60
degrees, then how tall is the tower to the
nearest tenth?
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