Intro to Right Triangle Trigonometry

Find the value of sin X.

• 20/29

• 29/20

• 20/21

• 21/29

Find the value of cos X.

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• 29/20

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Find the value of tan X.

• 20/29

• 29/20

• 20/21

• 21/29

Find the value of sin Z.

• 20/21

• 21/29

• 21/20

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Find the length of side w.

• 21.4 cm

• 18.0 cm

• 36.5 cm

• 43.6 cm

Set up the problem.

• sin(47) = x/28

• cos(47) = x/28

• tan(47) = x/28

• cos(47) = 28/x

Find the measure of the angle.  Round to the nearest tenth. 

• 30.8

• 32.1

• 34.3

• 36.9

In triangle ABC, BC = 5 cm, AB =13 cm ,then sec A is 

• 5/12

• 13/5

• 5/13

• 13/12

In triangle ABC, BC =3 cm, AB =5 cm ,then tan A is 

• 3/5

• 4/5

• 3/4

• 4/3

Find the value of cos Z.

• 20/21

• 21/29

• 21/20

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