Question: Question 4. Simplify and write in Cartesian form cos (30) + isin(30) cos (40) + i sin(40) (For full marks, sin and cos should each

Question 4. Simplify and write in Cartesian form cos (30) +

Question 4. Simplify and write in Cartesian form cos (30) + isin(30) cos (40) + i sin(40) (For full marks, "sin" and "cos" should each appear at most once in your answer. )

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