Int. Geo.
1.
Unit 8 Quiz Review (Lessons 1-4)
1
Find the indicated trigonometric ratios. Write your answers in simplest radical
form.
M
sin M =
sin N =
cos M =
cos N =
5
O
7
tan M =
tan N =
N
2.
Find the indicated trigonometric ratios. Write your answers in simplest radical
form.
sin T =
sin S =
cosT =
cos S =
tan T =
tan S =
12
T
37
S
Questions 3-8: Solve for the variable. Round your answers to the nearest tenth.
3.
4.
46
x
13
39 °
x
25 °
5.
6.
32
R
12 °
x
76
x
18 °
Int. Geo.
Unit 8 Quiz Review (Lessons 1-4)
7.
2
8.
76 °
x
x
67 °
15
9.
42
Find the value of AC and BD to the nearest tenth.
A
10
B
70 °
38 °
42
D
10.
A
Find AC, BC and BD to the nearest tenth.
24
30 °
B
D
17 °
C
C
Int. Geo.
Unit 8 Quiz Review (Lessons 1-4)
3
8
, find the ratios for
15
sin A and cos A. (Hint: Sketch a triangle to get started)
11.
In ΔABC angle C is a right angle. Given that tan A =
12.
Find the sin 45 , cos 45 , and tan 45 in simplest radical form. (Hint: Sketch a
right triangle with a 45° and think how can label the sides)
13.
In ∆𝐴𝐵𝐶, 𝑚∠𝐶 = 90* and tan 𝐴 = . If 𝐶𝐵 = 48, then what is AB?
/
(Sketch a picture to help yourself)
.
Answers:
1.
sin M = 7 74
74
sin N = 5 74
cos M = 5 74
74
cos N = 7 74
tan M = 7
tan N = 5
5
74
2. sin T = 35
74
7
3.
5.
7.
9.
5.5
31.3
35.3
AC = 53.3 BD = 29.2
11.
sin A = 8
12.
sin 45 = 2 ; cos 45 = 2 ; tan 45 = 1
2
2
13.
CB = 80
17
;
cos A = 15
sin S = 12
37
cos T = 12
37
cos S = 35
37
tan T = 35
12
tan S = 12
35
4.
6.
8.
10.
17
37
73.1
79.9
10.5
AC = 60.1, BC = 41, BD = 24