Question: Question 5 explain your answer, with good hand writing Use a sum or difference formula to find the exact value of the trigonometric function. COS

Question 5 explain your answer, with good hand writing

Use a sum or difference formula to find the exact value of the trigonometric function. COS 12 . . . COS 12 (Simplify your answer, including any radicals. Use integers or fractions for any numbers in the expression.)
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