y=sin（2x+α-x-α）=sinx
y’=cosx=1/2
函數(shù)y=sin(2x+α)cos(x+α)-cos(2x+α)sin(x+α)在x=π/3處的導函數(shù)為
函數(shù)y=sin(2x+α)cos(x+α)-cos(2x+α)sin(x+α)在x=π/3處的導函數(shù)為
數(shù)學人氣：111 ℃時間：2020-06-17 06:30:30
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