First Quadrant Unit Circle

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

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.

What are the coordinates at point A?

• (0, 1)

• (1, 0)

Using θ as a reference angle, mark the triangle sides as Opp, Adj, and Hyp.

Label these on the triangle on your paper.

• Adj

• x

• Hyp

• OP

• Opp

• y

• Yes

• No

Answer explanation

Using θ as a reference angle, mark the triangle sides as Opp, Adj, and Hyp. Label these on the triangle on your paper.

• Adj

• y

• Hyp

• OP

• Opp

• x

• undefined

Answer explanation

What are the coordinates at point E?

• (0, 1)

• (1, 0)

What are the coordinates at point D?

• (0, 1)

• (1, 0)