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Express the product as a sum containing only sines or cosines. sin (40) cos (50) A. Le uIs + (06) soo ]- 1 O B.

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Express the product as a sum containing only sines or cosines. sin (40) cos (50) A. Le uIs + (06) soo ]- 1 O B. louis - (06) uIs ]- N O C. ~[cos (90) - cos 0] O D. sin cos (2002)

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