Download Infinite Geometry - HW 5: Finding Trig Ratios and

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Name___________________________________ ID: 1
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HW 5: Finding Trig Ratios and Angles
Date________________ Period____
Find the value of each trigonometric ratio to the nearest ten-thousandth.
1) sin 80°
2) sin 37°
3) cos 44°
4) cos 9°
5) tan 36°
Find the value of each trigonometric ratio.
6) sin C
7) cos Z
A
X
45
17
Z
C
Y
27
B
8
8) tan Z
9) cos A
X
40
Z
36
15
32
C
24
25
Y
A
24
7
B
Worksheet by Kuta Software LLC
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10) tan Z
X
50
Z
48
Y
14
Find each angle measure to the nearest degree.
11) cos X = 0.4848
12) tan X = 1.5399
13) sin Z = 0.8480
14) tan W = 1.9626
15) sin V = 0.9945
Find the measure of the indicated angle to the nearest degree.
16)
17)
44
?
45
?
42
38
18)
19)
4
?
32
?
8
3
20)
16
?
17
Worksheet by Kuta Software LLC
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Answers to HW 5: Finding Trig Ratios and Angles (ID: 1)
1) 0.9848
5) 0.7265
2) 0.6018
3) 0.7193
4) 0.9877
3
7)
5
8)
7
25
15
6)
17
24
10)
7
11) 61°
12) 57°
13) 58°
17) 58°
14) 63°
18) 37°
15) 84°
19) 14°
16) 17°
20) 20°
9)
3
4
Worksheet by Kuta Software LLC
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