y=sinxcosx+cos(2x)化简
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y=sinxcosx+cos(2x)化简y=sinxcosx+cos(2x)化简y=sinxcosx+cos(2x)化简y=1/2sin2x+cos2x
y=sinxcosx+cos(2x)化简
y=sinxcosx+cos(2x)化简
y=sinxcosx+cos(2x)化简
y=1/2sin2x+cos2x
y=sinxcosx+cos(2x)化简
化简y=2sinxcosx+2cos^2x-1
化简:Y=cos^X+根号3倍的sinXcosX是COS^2x
y=(cos^2x)/(sinxcosx-sin^2x),(0
y=cos2x+sinxcosx的值域y=cos^2X+sinXcosX
求函数y=cos^2X+sinXcosX的值域
求函数y=sinxcosx-cos^2x的最大值
求函数y=cos^2x+sinxcosx的值域
函数y=cos^2x+sinxcosx的最大值
函数y=sinxcosx-cos^2x的最大值为
y=cos^2x-sinxcosx,求最大值与最小值.
y=根号2(cos^2x-sin^2x)+2根号2sinxcosx化简
化简:y=cos^2x+2sinxcosx-sin^2x
y=2sin^2 x+4sinxcosx+5cos^2 x 化简
y=sin^2x-根号3sinxcosx-cos^2x化简
化简:y=cos^4 x+2 sinxcosx-sin^4 x
y=sin^4x+2√3 sinxcosx-cos^4x 化简
sin²X-sinxcosx+2cos²x=化简