化简2sinxcosx+cos2x
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化简2sinxcosx+cos2x化简2sinxcosx+cos2x化简2sinxcosx+cos2x2sinxcosx=sin2x2sinxcosx+cos2x=根号2[sin(2x+π/4)]原式
化简2sinxcosx+cos2x
化简2sinxcosx+cos2x
化简2sinxcosx+cos2x
2sinxcosx=sin2x
2sinxcosx+cos2x=根号2[sin(2x+π/4)]
原式＝sin2x+cos2x=2^(0.5)sin(2x+pi/4)
2sinxcosx+cos2x=根号2[sin(2x+π/4)]
化简2sinxcosx+cos2x
化简：y=cos2x+2sinxcosx-sin2x
∫cos2x/(sinxcosx)^2dx
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那个是加号，2sinxcosx+cos2x
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已知函数f(x)=2sinxcosx+cos2x(x
如何化简f(x)=2sinxcosx+cos2x-1