Trigonometry

What is the COSINE ratio of any angle in a right triangle?

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CCSS.HSG.SRT.C.6

cos B = ?

• 12/13
• 12/5
• 5/13
• 5/12

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CCSS.HSG.SRT.C.6

Solve for the missing angle.

• 50.5 degrees
• 12.7 degrees
• 36.9 degrees
• 72.2 degrees

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CCSS.HSG.SRT.C.8

What is the correct ratio?

• 20/12
• 12/20
• 12/16
• 16/12

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CCSS.HSG.SRT.C.6

Find the length of side w.

• 21.4 cm
• 18.0 cm
• 36.5 cm
• 43.6 cm

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CCSS.HSG.SRT.D.10

CCSS.HSG.SRT.D.11

Which trigonometric ratio should you use?

• Tangent Ratio

• Sine Ratio

• Cosine Ratio

• Any ratio

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CCSS.HSG.SRT.C.6

 Find side AB?

• 20 m
• 5 m
• 11.54 m
• 8.66 m

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CCSS.HSG.SRT.C.8

Solve for the missing distance (d)

• 18.9
• 19.5
• 47
• 27.5

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CCSS.HSG.SRT.C.8

What is the correct equation to solve for side w?

• sin 40 = w/28

• cos 40 = w/28

• tan 40 = w/28

• sin 40 = 28/w

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CCSS.HSG.SRT.C.6

Elizabeth is flying a kite, which gets caught in the top of a tree. Use the diagram to estimate the height of the tree.

• 63.6 ft

• 1.59 ft

• 74.2 ft

• 86.9 ft

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CCSS.HSG.SRT.C.8