Unit Circle Quiz

Convert 150⁰ to radians

• 5π/6

• 3π/4

• 7π/6

• 2π/3

• π/6

Tags

CCSS.HSF.TF.A.1

What is 7π/4 radians in degrees?

• 300

• 135

• 315

• 45

• 225

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CCSS.HSF.TF.A.1

sin 7π/6

• 1/2

• -1/2

• √3/2

• -√3/2

• -√2/2

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CCSS.HSF.TF.A.2

What is the exact coordinates of  7π/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 quadrant is 4π/3 in?

• I

• II

• III

• IV

Tags

CCSS.HSF.TF.A.2

cosθ is positive in

• the 1st and 2nd quadrants

• the 1st and 3rd quadrants

• the 1st and 4th quadrants

• the 2nd and 3rd quadrants

• the 3rd and 4th quadrants

Tags

CCSS.HSF.TF.A.2

• 
• 
• 
• 

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CCSS.HSF.TF.A.1

sin (π/2)

• √3/2

• √2/2

• 1/2

• 1

• 0

Tags

CCSS.HSF.TF.A.2

cos(π)

• √3/2

• -√2/2

• -1

• 1

• 0

Tags

CCSS.HSF.TF.A.2

cos(5π/3)

• -√2/2
• -1/2
• 1/2
• √3/2

Tags

CCSS.HSF.TF.A.2