Fill in Unit Circle

What goes in the red square? (Use pi for π)

What goes in the red square? Simplify your answer. (Use pi for π)

What goes in the red square? Simplify your answer. (Use pi for π)

What goes in the red square? Simplify your answer. (Use pi for π)

What is the radius of the unit circle?

• 2

• 4

• 1

• 12

Find the sine, cosine, and tangent for the following point on the unit circle. (Hint: What is the relationship between coordinates on the unit circle and sine, cosine, and tangent?) \left(\frac{12}{13},\ \frac{5}{13}\right)