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

Choose the correct ratio.

• cos(33)=x/14
• sin(33)=x/14
• cos(33)=14/x
• sin(33)=14/x

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

Which equation?

• y= cos2x
• y= (1/2)cosx
• y= cos(1/2)x
• y= 2cosx

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

Which side is the long leg in this 30-60-90 triangle?

• 4
• u
• v

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

The Pythagorean Theorem ONLY works on which triangle? 

• obtuse
• scalene
• isosceles
• right

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

Solve.

• 63, 27
• 63, 33
• 5, 33
• 30, 60

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

Which Trig function do you use?

• Sine
• Cosine
• Tangent

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

Find the missing length indicated.

• 30
• 25
• 45
• 50

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

What is the formula used to solve for the hypotenuse?

• a²⁺b²=c²
• a+b=c
• a-b=c
• c-a=c

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

A 13 ft. ladder is leaning against the house. The top of the ladder touches the house at 10 feet above the ground. How far away is the bottom of the ladder from the house?

• 10 feet

• 7.5 feet

• 8.3 feet

• 3.8 feet

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

A power line stretches from the top of a building to the ground. The power line is 100 ft. long and the building is 50 ft. tall. What is the horizontal distance from the end of the power line to the building? 

• 220.3 ft. 
• 100 ft.
• 86.6 ft. 
• 73.8 ft. 

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