Unit Circle, Radians, Degrees

sin π/4

• √2∕2
• 1/2
• √3/2
• 0

Tags

CCSS.HSF.TF.A.2

cos 5π/6

• -1/2
• 1/2
• √3/2
• -√3/2

Tags

CCSS.HSF.TF.A.2

tan 7π/4

• -1
• 1
• √2/2
• undefined

Tags

CCSS.HSF.TF.A.2

What is the radius of the unit circle?

• 0
• 1
• 1/2
• √2/2

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

What is the value of sine at 330

• 1/2
• -1/2
• √3 / 2
• -√3 / 2

Tags

CCSS.HSF.TF.A.2

tan 270

• 0
• 1
• -1
• undefined

Tags

CCSS.HSF.TF.A.2

What is a complete circle in radians?

• π
• 2π
• 1/2 π
• 1

Tags

CCSS.HSF.TF.A.2

CCSS.HSF.TF.A.1

CCSS.HSG.C.B.5

What is half a circle in radians?

• π/4
• π
• 2π
• π/2

Tags

CCSS.HSF.TF.A.1

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