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Although 330 is a special angle on the unit circle, Amar wanted to determine its...

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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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