Question: 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

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)

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