1. Warm Up 1.) Draw a 30-60-90 triangle. The length of the hypotenuse is 1. Find the length of the two legs. Leave your answers exact.

2. Unit Circle Radius 1 Center is origin of the coordinate plane Θ (thay-tuh) is a Greek letter used for a missing angle measure

4. Ex 1: Use your brain to figure out the coordinates for the 0, 90, 180 and 270 degree angles

5. Ex 2: How can you find the coordinates for a 45 degree angle? A 60 degree angle?

6. Ex 3: Find the sine and cosine of 135 ◦

7. Ex 4: Find the sine and cosine of 150 ◦ and - 150 ◦

8. Unit Circle