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Question 4 5 5 37 Use a double angle identity to find the exact value of the expression cos 2120 sin 2120 cos 2120 sin2

Question 4 5 5 37 Use a double angle identity to find the exact value of the expression cos 2120 sin 2120 cos 2120 sin2 120 Simplify your answer including any radicals Use integers or fractions for any numbers in the expression

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