CCSS.Math.Content.HSF.TF.A.3

Solve for a and b in the special right triangle.

• a = 5, b = 5
• a = 10, b = 10√2
• a = 10√2, b = 10√2
• a = 5√2, b = 5√2

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CCSS.Math.Content.HSF.TF.A.3

What type of triangles do you use the trig ratios with?

• any type
• right triangle
• obtuse triangle
• acute triangle

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CCSS.Math.Content.HSF.TF.A.3

What is the ratio for cosine?

• H/A
• O/A
• A/H
• A/O

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CCSS.Math.Content.HSF.TF.A.3

sin(11π/6)

• -1/2
• 1/2
• √3/2
• -√3/2

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CCSS.Math.Content.HSF.TF.A.3

sin(π/2)

• 1
• 0
• -1
• √2/2

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CCSS.Math.Content.HSF.TF.A.3

Which equation gives the correct value for RQ?

• tan 60=90/RQ

• sin 60=90/RQ

• cos 60=90/RQ

• tan 60=90/x

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CCSS.Math.Content.HSF.TF.A.3

What is the reference angle for 63°?

• 117°

• 207°

• 63°

• 153°

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CCSS.Math.Content.HSF.TF.A.3

Find y.

• 11√2

• 11

• 22

• (11√2)/2

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CCSS.Math.Content.HSF.TF.A.3

sin 0 =

• 0

• ¹/₂

• ^√2/₂

• ^√3/₂

• 1

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CCSS.Math.Content.HSF.TF.A.3

cosx=1

• 0

• 30

• 45

• 90

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CCSS.Math.Content.HSF.TF.A.3