Although 240° is a special angle on the unit circle, Aiden

Last updated: 7/10/2022

Although 240° is a special angle on the unit circle, Aiden wanted to determine its coordinates using the sum and difference formulas. Part A: Determine cos 240° using the cosine sum identity. Be sure to include all necessary work. (5 points) Part B: Determine sin 240° using the sine difference identity. Be sure to include all necessary work. (5 points)