Unit Circle Practice

What is 5π/6 radians in degrees?

• 180
• 150
• 360
• 120

Tags

CCSS.HSF.TF.A.1

The unit circle...

• Has center at (1,1)
• Has a circumference of 1
• Has a diameter of 1
• Has a radius of 1

Tags

CCSS.HSF.TF.A.2

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

• 1
• 1/2
• sqt3/2
• sqt2/2

Tags

CCSS.HSF.TF.A.2

What is half a circle in radians?

• π/4
• π
• 2π
• π/2

Tags

CCSS.HSF.TF.A.1

π/2 is equal to how many degrees?

• 180°
• 90°
• 135°
• 240°

Tags

CCSS.HSF.TF.A.2

csc 0°

• 0
• 1
• -1
• undefined

Tags

CCSS.HSF.TF.A.2

cos (π/4)

• √3/2
• √2/2
• 1/2
• 1

Tags

CCSS.HSF.TF.A.2

cos(5π/3)

• -√2/2
• -1/2
• 1/2
• √3/2

Tags

CCSS.HSF.TF.A.2

tan(3π/4)

• √2/2
• -√2/2
• √3/2
• -1

Tags

CCSS.HSF.TF.A.2

sin 7π/6

• 1/2
• -1/2
• √3/2
• -√3/2