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What is the reference angle for 2pi/3

• pi/4
• 7pi/6
• 4pi/3
• pi/3

Tags

CCSS.HSF.TF.A.3

CCSS.HSF.TF.A.4

CCSS.HSF.TF.C.8

What is the reference angle for 63°?

• 117°

• 207°

• 63°

• 153°

What is the reference angle for 240°?

• 60°

• 30°

• 45°

• 210°

Tags

CCSS.HSF.TF.A.3

CCSS.HSF.TF.A.4

What is the reference angle for 5pi/4?

• pi/4
• 7pi/4
• pi/6
• pi/3

Tags

CCSS.HSF.TF.A.3

CCSS.HSF.TF.A.4

CCSS.HSF.TF.C.8

Find the reference angle for an angle measuring θ = 7π / 5

• π / 5
• 2π /5
• 3π / 5
• 4π / 5

Tags

CCSS.HSF.TF.A.3

CCSS.HSF.TF.A.4

How many radians does a circle have?

•   360 degrees
• 2pi radians
• pi radians
• ^{2 radians}

Tags

CCSS.HSF.TF.A.1

Find the reference angle for an angle measuring -310⁰

• 50⁰
• -50⁰
• 20⁰
• 40⁰

Tags

CCSS.HSF.TF.A.3

CCSS.HSF.TF.A.4

CCSS.HSF.TF.C.8

What is the reference angle for -30°?

• 150°

• 30°

• 80°

• 60°

Tags

CCSS.HSF.TF.A.3

CCSS.HSF.TF.C.8

What is the reference angle?

• 163

• 73

• 27

• 107

Tags

CCSS.HSF.TF.A.3

CCSS.HSG.SRT.C.8

Which quadrant is 2π/3 in?

• I
• II
• III
• IV

Tags

CCSS.HSF.TF.A.2

CCSS.HSF.TF.A.3