Angles and the Unit Circle

What is the reference angle for 240°?

• 60°

• 30°

• 45°

• 210°

Tags

CCSS.HSF.TF.A.3

What is the reference angle for 275°?

• 85°

• 95°

• -85°

• -95°

Tags

CCSS.HSF.TF.A.3

CCSS.HSG.SRT.C.6

CCSS.HSG.SRT.C.8

What is the reference angle for 63°?

• 117°

• 207°

• 63°

• 153°

Tags

CCSS.HSF.TF.A.3

In which quadrant would you find an angle measuring -740°

• 1

• 2

• 3

• 4

Tags

CCSS.HSF.TF.A.2

CCSS.HSF.TF.A.4

CCSS.HSF.TF.C.8

Find a coterminal angle to -27°.

• -387°

• 27°

• 323°

• -393°

Tags

CCSS.HSF.TF.A.4

Find a coterminal angle to -90°.

• -450°

• 90°

• 180°

• -180°

Tags

CCSS.HSF.TF.A.2

CCSS.HSF.TF.A.4

Standard position is when .....

• the initial side of the angle is on the positive x-axis.
• the initial side of the angle is on the negative x-axis.
• the initial side of the angle is on the positive y-axis.
• the initial side of the angle is on the negative y-axis.

Tags

CCSS.5.G.A.1

Negative angles are measured in which direction from standard position?

• Clockwise
• Counterclockwise

Positive angles are measured in which direction from standard position?

• Clockwise
• Counterclockwise

Tags

CCSS.HSF.TF.A.2

In which quadrant is -570⁰

• I

• II

• III

• IV

Tags

CCSS.HSF.TF.A.1

CCSS.HSF.TF.A.2

CCSS.HSF.TF.A.4

CCSS.HSF.TF.C.8