Question: Express the given product as a sum or difference containing only sines or cosines.sin (9x) sin (7x) Express the given product as a sum Or

Express the given product as a sum Or difference containing only sines

or cosines. sin (9x) sin (7x)

Express the given product as a sum or difference containing only sines or cosines.sin (9x) sin (7x)

Express the given product as a sum Or difference containing only sines or cosines. sin (9x) sin (7x)

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