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

If you are given the two sides that are not the hypotenuse, which trig function should you use?

• sine
• cosine
• tangent
• cotangent

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

Find the missing length.

• 21
• 18
• 16
• 24

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

Which one is the easy way to remember trigonometric ratios?

• Sah Coh Toa
• Soh Cah Toa
• Soh Cah Tao
• Soh Ceh Toa

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

Find x.

• 4
• 2
• √3
• 2√2

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

An electrical wire is attached to the top of a home to a stake in the ground. The home is 68 feet tall. If the angle formed by the electrical wire and the house is 52°, what is the length of the wire? Round to the tenths.

• 110.5 ft.
• 86.3
• 41.9
• 53.6

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

Find the missing length.

• 12
• 6
• 20
• 24

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

Which of the following is NOT
a solution to
sin θ = √(3) / 2 ?

• π / 3
• 2π / 3
• 5π / 3
• 7π / 3

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

Which of the following formulas shows the Law of Cosines?

• c² = a² + b² - 4ac + cosA
• c² = a² - b² - 2abcosC
• c² = a² + b² - 2abcosC
• (cos A)/a = (cos B)/b

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

Find the length of CF.

• 8

• 4

• 3

• 6

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

Select the correct ratio for TanC

• $\frac{20}{15}$

• $\frac{15}{20}$

• $\frac{20}{25}$

• $\frac{15}{25}$

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