x)=2√3sin(x/2+π/4)cos(x/2+π/4)-sin(x+π)
f(x)=根号3sin[2(x/2+π/4)]+sinx
f(x)=根号3sin(x+π/2)+sinx
已知函数f(x)=2√3sin(x/2+π/4)cos(x/2+π/4)-sin(x+π)
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