CCSS.Math.Content.HSF.TF.A.2

sin(5π/3)

• 1/2
• -√3/2
• √3/2
• -1/2

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CCSS.Math.Content.HSF.TF.A.2

What is 120 degrees in radians?
 

• 2π/3
• π/3
• 5π/3
• 4π/3

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CCSS.Math.Content.HSF.TF.A.2

Based on your unit circle cos(30^o)=

• 1
• 1/2
• sqt3/2
• sqt2/2

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CCSS.Math.Content.HSF.TF.A.2

cos 120

• 1/2
• -1/2
• (square root 3)/2
• (-square root 3)/2

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CCSS.Math.Content.HSF.TF.A.2

Which point represents (-4, π/2)

• D
• C
• B
• A

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CCSS.Math.Content.HSF.TF.A.2

Which are possible coordinates of the point graphed?

• (-2, 120^o)
• (-2, 60^o)
• (2, -120^o)
• (2, 60^o)

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CCSS.Math.Content.HSF.TF.A.2

cos 4π/3

• -√3/2
• √3/2
• 1/2
• -1/2

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CCSS.Math.Content.HSF.TF.A.2

cosθ is positive in

• the 1st and 2nd quadrants
• the 1st and 3rd quadrants
• the 1st and 4th quadrants
• the 2nd and 3rd quadrants

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CCSS.Math.Content.HSF.TF.A.2

cos 270^o

• 0

• 1

• -1

• und

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CCSS.Math.Content.HSF.TF.A.2

Using the Unit Circle, find the exact value of this trig function.

• 1

• 0

• -1

• undefined

• The correct answer is not listed

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CCSS.Math.Content.HSF.TF.A.2