Reference Angles in Radians

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

• π / 5

• 2π /5

• 3π / 5

• 4π / 5

What is the reference angle for 2pi/3

• pi/4

• 7pi/6

• 4pi/3

• pi/3

Tags

CCSS.HSF.TF.B.7

Find the reference angle for an angle measuring θ = 11π / 7

• 2π / 7

• 3π / 7

• 4π / 7

• 5π /7

Tags

CCSS.HSF.TF.B.7

• π/2
• π/3
• π/4
• π/6

Tags

CCSS.4.MD.C.5B

CCSS.HSG.CO.A.1

Find the reference angle.

Find the reference angle.

Find the exact value of the trig function.

Tags

CCSS.HSF.TF.A.2

Which of the following is closest to the measure of the angle shown?

• 7/10 π

• 3/8 π

• 7/20 π

• 3/2 π

Tags

CCSS.4.MD.C.6