HomeQuiz1: Unit Circle

Convert 150⁰ to Radians

• 5π/6

• 3π/4

• 7π/6

• 2π/3

Tags

CCSS.HSF.TF.A.2

Convert 4π/ 3 radians in degrees

• 120

• 240

• 210

• 270

Tags

CCSS.HSF.TF.A.2

cos(60°)

• 0
• 1/2
• √3/2
• 1

Tags

CCSS.HSG.SRT.C.7

What is the radius of a unit circle?

• 1
• 2
• 1/2
• 0

Tags

CCSS.HSF.TF.A.2

What is sin 45°?

• 1
• ^√3/₂
• ½
• ^√2/₂

Tags

CCSS.HSF.TF.A.2

What is cos 90°?

• ½
• undefined
• 1
• 0

Tags

CCSS.HSG.SRT.C.7

What is cos 30°?

• ^√3/₂
• ½
• ^√2/₂
• 1

Tags

CCSS.HSF.TF.A.3

CCSS.HSG.SRT.C.6

cosθ is positive in

• the 1st and 2nd quadrants
• the 1st and 3rd quadrants
• the 1st and 4th quadrants
• the 2nd and 3rd quadrants

Tags

CCSS.HSF.TF.A.3

CCSS.HSF.TF.A.4

CCSS.HSF.TF.C.8

sinθ is positive in

• the 1st and 2nd quadrants
• the 1st and 3rd quadrants
• the 1st and 4th quadrants
• the 2nd and 3rd quadrants

Tags

CCSS.HSF.TF.A.2

tanθ is positive in

• the 1st and 2nd quadrants

• the 1st and 3rd quadrants

• the 1st and 4th quadrants

• the 2nd and 3rd quadrants

Tags

CCSS.HSF.TF.A.2