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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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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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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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.

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Worksheet by Kuta Software LLC

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