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anonymous
 5 years ago
simplify: cos(6x)cos(2x)sin(6x)sin(2x)
anonymous
 5 years ago
simplify: cos(6x)cos(2x)sin(6x)sin(2x)

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anonymous
 5 years ago
Best ResponseYou've already chosen the best response.0Go to your compound angle formulae; this one will stand out to you blatantly.

anonymous
 5 years ago
Best ResponseYou've already chosen the best response.0how do you simplify this though? i am having trouble with the steps. and what is the compound formula? i don't believe we went over that in class.

myininaya
 5 years ago
Best ResponseYou've already chosen the best response.0cos(8x) is simplified. cos(uv)=cos(u)cos(v)+sin(u)sin(v) and cos(u+v)=cos(u)cos(v)sin(u)sin(v) is a couple of the formulas

anonymous
 5 years ago
Best ResponseYou've already chosen the best response.0okay, thank you so much!
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