Exact Value from Unit Circle

sin 30 degrees =

• 1/2
• √3/2
• 0
• 1

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CCSS.HSF.TF.A.2

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

• 1
• 0
• -1
• 1/2

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CCSS.HSF.TF.A.2

Based on your unit circle cos(90^o)=

• 1
• 0
• -1
• 1/2

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CCSS.HSF.TF.A.2

sin(0°)

• 0
• 1/2
• √3/2
• 1

Tags

CCSS.HSF.TF.A.2

cos(60°)

• 0
• 1/2
• √3/2
• 1

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CCSS.HSF.TF.A.2

Based on your unit circle cos(90^o)=

• 1
• 0
• -1
• 1/2

Tags

CCSS.HSF.TF.A.2

What is the radius of a unit circle?

• 1
• 2
• 1/2
• 0

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CCSS.HSF.TF.A.2

What is the exact coordinates of 135˚ on the unit circle?

• (−√2∕2, √2∕2)

• (−√2∕2, −√2∕2)

• (−√3∕2, −√2∕2)

• (√2∕2, −√2∕2)

Tags

CCSS.HSF.TF.A.2

What is the exact value of sin 150°

• -1/2
• -√3/2
• 1/2
• √3/2

Tags

CCSS.HSF.TF.A.2

What is the exact value of sin 210°

• -1/2
• -√3/2
• 1/2
• √3/2

Tags

CCSS.HSF.TF.A.2