Question: Simplify the following expression using the sum and difference identities. 5 cos (5) cos (7)-sin (5) sin (7) COS Select the correct answer below:

Simplify the following expression using the sum and difference identities. 5 cos (5) cos (7)-sin (5) sin (7) COS Select the correct answer below: cos (37) Osin (3) COS (): Osin (1) COS () O sin (4)

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