Unit Circle Practice

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(90^o)=

• 1/2
• 0
• -1
• 1

Tags

CCSS.HSF.TF.A.2

sin(5π/3)=

• 1/2
• -√3/2
• √3/2
• -1/2

Tags

CCSS.HSF.TF.A.2

sin(7π/4)

• 1/2
• -√2/2
• √2/2
• -1/2

Tags

CCSS.HSF.TF.A.2

sin π/4

• √2∕2
• 1/2
• √3/2
• 0

Tags

CCSS.HSF.TF.A.2

cos 4π/3

• -√3/2
• √3/2
• 1/2
• -1/2

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

What radian measure corresponds to the point 

• π/4
• 3π/2
• 5π/4
• 7π/3

Tags

CCSS.HSF.TF.A.2

tan 7π/4

• -1
• 1
• √2/2
• undefined

Tags

CCSS.HSF.TF.A.2

tan (-π)

• undefined
• 0
• 1
• -1

Tags

CCSS.HSF.TF.A.2