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

What is the tan of 7π/4?

• 0
• 1
• -1
• -√3

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

List the angles in order by measure, smallest to largest.

• ∠B, ∠A, ∠C
• ∠A∠,B, ∠C
• ∠A, ∠C, ∠B

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

If you are given the hypotenuse and an adjacent side, which trig function should you use?

• sine
• cosine
• tangent

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

I have been given the long leg in this 30-60-90 triangle.  How do I find the hypotenuse?

• Divide 8 by √3
• Divide 8 by 2
• Divide 8 by 2, then multiply that answer by √2
• Divide 8 by √3, then multiply that answer by 2

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

Find the length of the missing side x...

Round your answer to 1 decimal place.

• 3.8 cm

• 28.8 cm

• 3.9 cm

• 3.6 cm

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

Consider angle B in the diagram below.

What is the length of "adjacent side" to angle <B?

• 6

• 8

• 10

• not possible to determine

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

sec²x =

• sinx + cosx

• 1 + csc²x

• 1 + tan²x

• 1 - sin²x

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

cos²x =

• 1 - sec²x

• 1 - sin²x

• sin²x

• 1

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

Sin²x = ...

• cosx - 1

• cos²x-1

• 1-cos²x

• 1 - cosx

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

Find sinZ as a decimal rounded the the nearest ten- thousandth.

• .3846

• 2.6

• 1.0833

• 2.4

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