Linear Combination of Cosine Function

g9s0x

How would I express cos(wt+1) as a linear combination of cos(wt) and sin(wt)?

mathman

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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g9s0x	Linear Combination of Cosine Function Tweet How would I express cos(wt+1) as a linear combination of cos(wt) and sin(wt)?

mathman Recognitions: Science Advisor	Basic formula: cos(x+y)=cos(x)cos(y)-sin(x)sin(y). You should be able to take it from there.