Unit Circle Quiz 3

sin 30 degrees =

• 1/2
• √3/2
• 0
• 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 cos(90^o)=

• 1
• 0
• -1
• 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 is the exact value of cos 330°

• -1/2
• -√3/2
• 1/2
• √3/2

Tags

CCSS.HSF.TF.A.2

4π/3 is equal to how many degrees?

• 60°
• 240°
• 300°
• 120°

Tags

CCSS.HSF.TF.A.2

π/2 is equal to how many degrees?

• 180°
• 90°
• 135°
• 240°

Tags

CCSS.HSF.TF.A.2

If sin A < 0 and  cos A < 0, then what quadrant is A in?

• I
• II
• III
• IV

Tags

CCSS.HSF.TF.A.2

For what angles are sine and cosine the same?

• 0^o
• 45^o and 135⁰
• 45^o and 225⁰
• 45^o and 315⁰

Tags

CCSS.HSF.TF.B.7

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