Reference Angles and Trig

Find the reference angle for 7π / 5

• π / 5

• 2π /5

• 3π / 5

• 4π / 5

Tags

CCSS.HSF.TF.B.7

Find the reference angle for 11π / 7

• 2π / 7

• 3π / 7

• 4π / 7

• 5π /7

Tags

CCSS.HSF.TF.B.7

Find the reference angle.

Find the reference angle.

What is the reference angle?

• 163

• 73

• 27

• 107

What is the reference angle, in degrees, for an angle of 210°?

Mathematical Equivalence

ON

Give reference angle.

Mathematical Equivalence

ON

Tags

CCSS.HSF.TF.B.7

Match the following angles with their reference angles.

• 320⁰

• 20⁰

• -230⁰

• 50⁰

• 340⁰

• 40⁰

• -310⁰

• -50⁰

What is the reference angle for 125°?

• 235°

• 125°

• 75°

• 55°

What is the reference angle for -30°?

• 150°

• 30°

• 80°

• 60°