函数y=sin(2x+α)(0

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函数y=sin(2x+α)(0
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函数y=sin(2x+α)(0
函数y=sin(2x+α)(0

函数y=sin(2x+α)(0
y=sin(2x+α)(0

y=sin(2x+α)(0<α<π)是偶函数 ,所以有a=kπ+π/2 所以
函数y=cos(2x-α)=sin(2x--kπ)是奇函数 A