TEKS.MATH.9-12.III.A.3

Choose the correct ratio.

• sin^-1(9/20)
• cos^-1(9/20)
• tan^-1(9/20)
• cos^-1(20/9)

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TEKS.MATH.9-12.III.A.3

Choose the correct ratio.

• sin(37)=x/14
• cos(37)=x/14
• tan(37)=x/14
• sin(37)=14/x

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TEKS.MATH.9-12.III.A.3

Find the length of the missing side. 

• 20 in.
• 68 in.
• 16 in.
• 80 in.

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TEKS.MATH.9-12.III.A.3

We can use SOH-CAH-TOA for...

• Any triangle ever

• Non-right triangles only

• Right Triangles only

• Never

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TEKS.MATH.9-12.III.A.3

You are standing 10 feet away from a tree. There is a cat up in the tree. Your eyes make a 48 degree angle to look up at the cat. How high is the cat? 

• 11.1 ft. 
• 9 ft. 
• 7.4 ft. 
• 13.8 ft. 

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TEKS.MATH.9-12.III.A.3

∆ABC is a right triangle. Find the length of x, the altitude of ∆ABC.

• 54 units
• 6√3 units
• 3√6 units
• There is not enough information to determine the length of x.

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TEKS.MATH.9-12.III.A.3

cos (π/4)

• √3/2
• √2/2
• 1/2
• 1

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TEKS.MATH.9-12.III.A.3

What is the value of "y" in the diagram below?

• 2.5

• 5

• 5√3

• 10

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TEKS.MATH.9-12.III.A.3

Find x.

• 38.7

• 32

• 58

• 51.3

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TEKS.MATH.9-12.III.A.3

Sin X

• ²⁰/₂₁

• ²¹/₂₉

• ²⁰/₂₉

• ²⁹/₂₀

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TEKS.MATH.9-12.III.A.3