Unit Circle Study Guide

Is the point (-sqrt(2)/2, sqrt(2)/2) on the unit circle?

• Yes

• No

Is the point (0, -1) on the unit circle?

• Yes

• No

Is the point (1.5, 0) on the unit circle?

• Yes

• No

Is the point (0.8, 0.8) on the unit circle?

• Yes

• No

Is the point (-1.1, 0) on the unit circle?

• Yes

• No

What is the reference angle for 120 degrees?

• 60 degrees

• 30 degrees

• 120 degrees

• 90 degrees

What is the reference angle for 11pi/6?

• pi/6

• 5pi/6

• pi/3

• pi/2

What is the reference angle for 210 degrees?

• 30 degrees

• 60 degrees

• 120 degrees

• 150 degrees

What is the reference angle for 300 degrees?

• 60 degrees

• 30 degrees

• 120 degrees

• 90 degrees

What is the reference angle for 2pi/3?

• pi/3

• pi/2

• pi/6

• 2pi/3