Toán Lớp 11: xét tính chẵn lẻ hs
y=sinxcos^2x+tanx
y=sin^4x-2cos^2x+1
y=cosx-sin^2x+4
y=-4cos^2x+8sinx+3q
y=sin^2x+4sinx+1
y=1-(sin2x+cos2x)^3
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Toán Lớp 11: xét tính chẵn lẻ hs
y=sinxcos^2x+tanx
y=sin^4x-2cos^2x+1
y=cosx-sin^2x+4
y=-4cos^2x+8sinx+3q
y=sin^2x+4sinx+1
y=1-(sin2x+cos2x)^3
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