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math Use sqrt(n) for vn in your answer and simplify the result. NOTE: the computational value for both will be the same, but the exact

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Use sqrt(n) for vn in your answer and simplify the result. NOTE: the computational value for both will be the same, but the exact values will look much different. Enter the exact values with square roots. A. Use a half angle identity to find the value of: cos (1959) = B. Use a sum/difference identity to find the value of: cos (195)

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