9-Inverse Trigonometric Ratios
[Pages:4]Kuta Software - Infinite Geometry
Inverse Trigonometric Ratios
Find each angle measure to the nearest degree. 1) sin B = 0.4848
Name___________________________________ Date________________ Period____
2) sin A = 0.5150
3) cos A = 0.7431
4) cos W = 0.6157
5) cos A = 0.5878
6) tan W = 19.0811
7) cos A = 0.4226
8) tan W = 0.5317
Find the measure of the indicated angle to the nearest degree.
9)
27 ?
38
10)
9 ?
21
11)
14 ?
29
12)
42 40 ?
13) 39 10
?
14)
27 11
?
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-1-
Worksheet by Kuta Software LLC
15)
12
? 24
17) 8 ?
6
19) 14
48 50 ?
21) 7 ?
25 24
16)
20 ? 13
18)
5 ?
4
20) 51 ? 68 85
22)
34 16
? 30
23) 68 ? 51 85
Critical thinking questions: 25) Find an angle x where sin x = cos x.
24)
? 70
56 42
26) Draw and label all three sides of a right triangle that has a 40? angle and a hypotenuse of 10 cm.
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-2-
Worksheet by Kuta Software LLC
Kuta Software - Infinite Geometry
Inverse Trigonometric Ratios
Find each angle measure to the nearest degree. 1) sin B = 0.4848
29?
Name___________________________________ Date________________ Period____
2) sin A = 0.5150 31?
3) cos A = 0.7431 42?
4) cos W = 0.6157 52?
5) cos A = 0.5878 54?
6) tan W = 19.0811 87?
7) cos A = 0.4226 65?
8) tan W = 0.5317 28?
Find the measure of the indicated angle to the nearest degree.
9)
27 ?
38
35?
10)
9 ?
21
23?
11)
14 ?
29
26?
12)
42 40 ?
72?
13) 39 10 ?
15?
14)
27 11
?
24?
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-1-
Worksheet by Kuta Software LLC
15)
12
30?
? 24
17) 8 ? 6
41?
19) 14
48 50 ?
16? 21)
7 ?
25 24
16)
20 ? 13
49?
18)
5 ?
4
37?
20) 51 ? 68 85
53?
22)
34 16
? 30
28?
74? 23)
68 ?
51 85
37?
Critical thinking questions: 25) Find an angle x where sin x = cos x.
45?
24)
? 70
56
42
37?
26) Draw and label all three sides of a right triangle that has a 40? angle and a hypotenuse of 10 cm. Sides are: 10 cm, 6.4 cm, and 7.7 cm.
Create your own worksheets like this one with Infinite Geometry. Free trial available at
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-2-
Worksheet by Kuta Software LLC
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