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

What is the length of x?

• 5
• 7
• 8
• 25

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

Set up the problem.

• sin(47) = x/28
• cos(47) = x/28
• tan(47) = x/28
• cos(47) = 28/x

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

What are u and v in this 30-60-90 triangle?

• v = 2√3 u = 6
• v = 4 u = 4√3
• v = 4 u = 4√2
• v = 4√3 u = 8√3

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

What is the length of the side adjacent to ∠Z?

• 16
• 30
• 34

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

Find Cos(A) as a decimal rounded the the nearest ten-thousandth.

• .4706
• 1.875
• .8824
• .5333

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

What is the measure of angle x? 

• 73.74 degrees
• 16.26 degrees
• 148 degrees
• 180 degrees

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

sin(π/2)

• 1
• 0
• -1
• √2/2

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

Please select the correct solution cos ² x + sin ² x=  

• 1
• csc ² x + sec ² x
• sin ² x
• 1 - sin ² x

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

210°

• 5π/4
• 7π/6
• 4π/3
• 2π/3

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

Solve for 0≤x≤2π

sinxtanx = sinx

• π/2, 3π/2

• 3π/4, 7π/4

• 0, π, 2π

• π/4, 5π/4

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