Question: Let 0:13_x 12 ' Part A: Determine tan 9 using the sum formula. Show all necessary work in the calculation. (5 points) Part B: Determine


Let 0:13_x 12 ' Part A: Determine tan 9 using the sum formula. Show all necessary work in the calculation. (5 points) Part B: Determine cos 6 using the difference formula. Show all necessary work in the calculation. (5 points)
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