Although 330° is a special angle on the unit circle, Amar

Last updated: 7/29/2022

Although 330° is a special angle on the unit circle, Amar wanted to determine its coordinates using the sum and difference formulas. Part A: Determine cos 330° using the cosine sum identity. Be sure to include all necessary work. (5 points) Part B: Determine sin 330° using the sine difference identity. Be sure to include all necessary work. (5 points)