Unit Circle Practice

What is the value of sine at 210°?

• 1/2

• -1/2

• √3 / 2

• -√3 / 2

Tags

CCSS.HSF.TF.A.2

sin π/4

• √2∕2
• 1/2
• √3/2
• 0

Tags

CCSS.HSF.TF.A.2

What is the value of cosine at 135°?

• 0

• 1/2

• √2 /2

• -√2 /2

Tags

CCSS.HSF.TF.A.2

cos 5π/6

• -1/2
• 1/2
• √3/2
• -√3/2

Tags

CCSS.HSF.TF.A.2

cos 4π/3

• -√3/2
• √3/2
• 1/2
• -1/2

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

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(π/6)

• 1/2
• √2/2
• √3/2
• 2

Tags

CCSS.HSF.TF.A.2