9-Trigonometric Ratios - Kuta Software

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Kuta Software - Infinite Geometry

Name___________________________________

Trigonometric Ratios

Date________________ Period____

Find the value of each trigonometric ratio. 1) tan Z

2) cos C X

A

35 21 34

Z

30

Y

28

C

3) sin C

B

16

4) tan X A

35

C

Z

40

28

X

B

21

5) cos A

32

Y

24

6) sin A 30

A

B

32

C

B

16

24

34

40

C A

7) sin Z

8) sin C

Z

B 48

14 32

Y

40

24

A

X

9) cos Z

10) tan C

Z

24

Y

C

50

C

30

18

36

X

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B

-1-

45

27

A

Worksheet by Kuta Software LLC

Find the value of each trigonometric ratio to the nearest ten-thousandth. 11) cos Z

12) cos C Y

12

Z

B 36

9

A

X

15

13) tan C

45

C

29

A

14) tan A 50

A

27

C

C

30

40

20

21

B

B

15) tan C

16) tan X Y

A 37

40

12

B

35

C X

17) sin Z Z

30

Z

50

18) sin Z 35

Y

50

X

Z

12 37

30

X

40

Y

19) sin 48°

20) sin 38°

21) cos 61°

22) cos 51°

Critical thinking questions: 23) Can the sine of an angle ever equal 2? Why or why not?

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1 3 Find cos x.

24) sin x =

-2-

Worksheet by Kuta Software LLC

Kuta Software - Infinite Geometry

Name___________________________________

Trigonometric Ratios Find the value of each trigonometric ratio. 3 1) tan Z 4

Date________________ Period____

8 17

2) cos C

X

A

35 21 34

Z

30

Y

28

C

4 5

3) sin C

B

16

4 3

4) tan X

A

35

C

Z

40

28

X

B

21

15 17

5) cos A 30

A

32

Y

24

4 5

6) sin A

B

32

C

B

16

24

34

40

C A

3 5

7) sin Z

7 25

8) sin C

Z

B 48

14 32

Y

40

24

A

X

4 5

9) cos Z

Y

3 4

10) tan C

Z

24

C

50

C

30

18

36

X

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B

-1-

45

27

A

Worksheet by Kuta Software LLC

Find the value of each trigonometric ratio to the nearest ten-thousandth. 11) cos Z

12) cos C Y

12

Z

B 36

9

A

X

15

0.8000

45

C

29

A

0.6000

13) tan C

14) tan A 50

A

27

C

C

30

40

20

21

B

B

1.3333

1.0500

15) tan C

16) tan X Y

A 37

40

12

B

35

C X

0.3429

Z

50

0.7500

17) sin Z Z

30

18) sin Z 35

Y

50

X

Z

12 37

30

X

40

Y

0.3243

0.6000

19) sin 48° 0.7431

20) sin 38° 0.6157

21) cos 61° 0.4848

22) cos 51° 0.6293

Critical thinking questions: 23) Can the sine of an angle ever equal 2? Why or why not?

1 3 Find cos x.

24) sin x =

No, the hypotenuse > opposite side.

2 2 3 Create your own worksheets like this one with Infinite Geometry. Free trial available at KutaSoftware.com

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-2-

Worksheet by Kuta Software LLC