Watch me complete the unit circle

The video tutorial covers the construction and understanding of the unit circle, focusing on its radius, degrees, radians, and special angles. It explains how to divide the circle into quadrants, convert between degrees and radians, and identify key angles using π/4 and π/6 increments. The tutorial also discusses the coordinate points associated with these angles and how to represent them as fractions.

What is the radius of the unit circle?

• 0

• π

• 1

• 2

How many degrees are there in a full circle?

• 360

• 270

• 180

• 90

What is the radian measure equivalent to 180 degrees?

• 2π

• π

• 3π/2

• π/2

How many π/4 segments are there in a full circle?

• 4

• 8

• 10

• 6

What is the degree measure equivalent to π/6?

• 30

• 15

• 45

• 60

In which quadrant are both x and y coordinates negative?

• Second

• First

• Third

• Fourth

What is the denominator for all fractions in the unit circle coordinates?

• 1

• 2

• 3

• 4