Unit Circle Values Check 4 Understanding

What is the radius of the unit circle?

• 0
• 1
• 1/2
• √2/2

Tags

CCSS.HSF.TF.A.2

At what point are sine and cosine the same value?

• 0
• 90
• 45
• 60

Tags

CCSS.HSF.TF.A.2

What is the exact coordinates of  3π/4 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

Based on the unit circle, what is the value of sin?

• y

• x

• x/y

• y/x

Tags

CCSS.HSF.TF.A.2

Based on the unit circle, what is the value of cos?

• y

• x

• x/y

• y/x

Tags

CCSS.HSF.TF.A.2

Based on the unit circle, what is the value of tan?

• y/r
• x/r
• r/y
• y/x

Tags

CCSS.HSF.TF.A.2

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

• sqt2/2
• 1/2
• 1
• sqt3/2

Tags

CCSS.HSF.TF.A.2

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

• 1
• 0
• -1
• 1/2

Tags

CCSS.HSF.TF.A.2

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

• 1
• -1
• 0
• 1/2

Tags

CCSS.HSF.TF.A.2

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

• 1
• 0
• -1
• 1/2

Tags

CCSS.HSF.TF.A.2