Linear Combination of Cosine Function


by g9s0x
Tags: combination, cosine, function, linear
g9s0x
g9s0x is offline
#1
Oct16-05, 10:27 PM
P: 1
How would I express cos(wt+1) as a linear combination of cos(wt) and sin(wt)?
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mathman
mathman is offline
#2
Oct16-05, 11:14 PM
Sci Advisor
P: 5,941
Basic formula: cos(x+y)=cos(x)cos(y)-sin(x)sin(y). You should be able to take it from there.


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