Question: Question 4: (a) Find the exact value of: cos 1 + cos 2 + cos 30 + + cos 3580 + cos 359 ..

Question 4: (a) Find the exact value of: cos 1 + cos

Question 4: (a) Find the exact value of: cos 1 + cos 2 + cos 30 + + cos 3580 + cos 359 ..

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