Question 7 Using the sum and difference of cosines formula, find the exact value of cos 12 9 points How Did I Do? Enclose numerators and denominators in parentheses. For example, (a - b) / (1 + n). + COS 57T 12 Show your work and explain, in your own words, how you arrived at your answer. Q Z Equation A . A- IX BIUSX X Styles Font Size Submit Assignment Quit & Save Back Question Menu - Next 63.F O 3:20 PM Mostly sunny Q Search 10/8/2023 1