Question: Write the product as a sum or difference cos 60 cos 40 01 cos120 2 cos120 O 1 1 cos100 cos 20 01 2 cos100

Write the product as a sum or difference cos 60 cos

40 01 cos120 2 cos120 O 1 1 cos100 cos 20 01

Write the product as a sum or difference cos 60 cos 40 01 cos120 2 cos120 O 1 1 cos100 cos 20 01 2 cos100 cos 20

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