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Asked by Karth

Does anyone have a good website that shows the proofs for these equations?
sin(u+v) = sin(u)cos(v) + sin(v)cos(u)
cos(u+v) = cos(u)cos(v) + sin(v)sin(u)

Thanks!
16 years ago

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Answered by Damon
http://www.youtube.com/watch?v=zw0waJCEc-w

http://www.youtube.com/watch?v=V3-xCPDzQ1Q
16 years ago
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Does anyone have a good website that shows the proofs for these equations?
sin(u+v) = sin(u)cos(v) + sin(v)cos(u)
cos(u+v) = cos(u)cos(v) + sin(v)sin(u)

Thanks!

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