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

Find the trig value rounded to the nearest ten-thousandth.
Cos(77°)

• 77
• .9004
• .9063
• .2250

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

Find x round to the nearest tenth.

• 46.1

• 4.9

• 16.4

• 26.9

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

What is the inverse tangent?

• tan-1
• cos-1
• tan1
• sin-1

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

Identify the smallest angle.

• ∠K
• ∠L
• ∠M

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

What is the measure of ∠3?

• 55
• 155
• 45
• 135

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

What are x and y in this 30-60-90 triangle?

• x = 6 y = 3√3
• x = 3√2 y = 3
• x = 3√3 y = 6
• x = 3√3 y = 3√2

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

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

• 7
• 24
• 25

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

Find the missing angle

• 15
• 37
• 66
• 72

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

LoS: Find x.

• 2.6
• 33.1
• 6.5
• 12.9

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

Find the reference angle for an angle measuring -310⁰

• 50⁰
• -50⁰
• 20⁰
• 40⁰

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