Intro Unit Circle

What is 11π/6 radians in degrees? 

• 30

• 330

• 360

•  300

Convert 150⁰ to radians

• 5π/6

• 3π/4

• 7π/6

• 2π/3

Convert from degrees to radians:  135°

• 2π ∕ 3

• 3π ∕ 4

• 5π ∕ 4

• 3π ∕ 5

Choose the best match for the graph.

• 30^o

• 45^o

• 60^o

• 90^o

What is the measure of this angle?

• -70^o

• -20^o

• 20^o

• 70^o

What are the exact coordinates of 3π/4 on the unit circle?

• (−√2∕2, √2∕2)

• (−√2∕2, −√2∕2)

• (−√3∕2, −√2∕2)

• (√2∕2, −√2∕2)

Identify the Positive angle in both radians and degrees that represent point D.

Identify the Positive angle in both radians and degrees that represent point L.

Identify the Positive angle in both radians and degrees that represent point I.

What are the coordinates of  210° on the unit circle?

• (−√3/2, −1/2)

• (√3/2, −1/2)

• (−√3/2, 1/2)

• (−1/2,−√3/2 )