CCSS.Math.Content.HSF.TF.A.1

Based on your unit circle cos(0^o)=

• 1
• 0
• -1
• 1/2

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CCSS.Math.Content.HSF.TF.A.1

What is 120 degrees in radians?
 

• 2π/3
• π/3
• 5π/3
• 4π/3

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CCSS.Math.Content.HSF.TF.A.1

Which point represents (-4, π/2)

• D
• C
• B
• A

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CCSS.Math.Content.HSF.TF.A.1

What the coordinates of 270° on the unit circle?

• 0, 1
• 1, 0
• -1, 0
• 0, -1

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CCSS.Math.Content.HSF.TF.A.1

How many radians does a circle have?

•   360 degrees
• 2pi radians
• pi radians
• ^{2 radians}

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CCSS.Math.Content.HSF.TF.A.1

π/3 is equal to how many degrees?

• 30°
• 60°
• 90°
• 120°

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CCSS.Math.Content.HSF.TF.A.1

What are the coordinates of 60° on the unit circle?

• (0, 1)
• (1/2, √3/2)
• (√3/2, 1/2)
• (√2/2, 1/2)

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CCSS.Math.Content.HSF.TF.A.1

What is 240 degrees in radians? 

• π/3
• 4π/3
• 5π/3
• 2π/3

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CCSS.Math.Content.HSF.TF.A.1

What is the reference angle for 275°?

• 85°

• 95°

• -85°

• -95°

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CCSS.Math.Content.HSF.TF.A.1

Find a coterminal angle to -27°.

• -387°

• 27°

• 323°

• -393°

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CCSS.Math.Content.HSF.TF.A.1