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Leila
 5 years ago
Rewrite as a sum or difference
sin(3t)sin(5t)
Leila
 5 years ago
Rewrite as a sum or difference sin(3t)sin(5t)

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gw2011
 5 years ago
Best ResponseYou've already chosen the best response.0I'm not sure what exact answer you are looking for, but here is something that involves a difference: Let A=3t Let B=5t Since cos(AB)=(cosA)(cosB)+(sinA)(sinB) Then (sinA)(sinB)=cos(AB)(cosA)(cosB) and sin(3t)sin(5t)=cos(3t5t)cos(3t)cos(5t)
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