化简f(x)=(1+cos2x)sin^2x
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化简f(x)=(1+cos2x)sin^2x化简f(x)=(1+cos2x)sin^2x化简f(x)=(1+cos2x)sin^2xf(x)=(1+cos2x)sin^2x=(1+cos2x)(1-c
化简f(x)=(1+cos2x)sin^2x
化简f(x)=(1+cos2x)sin^2x
化简f(x)=(1+cos2x)sin^2x
f(x)=(1+cos2x)sin^2x
=(1+cos2x)(1-cos2x)/2
=(1-cos^22x)/2
=sin^22x/2
=[(1-cos4x)/2]/2
=1/4-1/4*cos4x
f(x)=(1+2cos2x)(1-cos2x)/2=[1-(cos2x)^2]/2=[1-(1+cos4x)/2]/2=1/4-cos4x/4
f(x)=(1+cos2x)sin^2x
=(1+2cos²x-1)sin²x
=2cos²xsin²x
=1/2×4cos²xsin²x
=1/2×（2cosxsinx）²
=（sin²2x）/2
化简f(x)=(1+cos2x)sin^2x
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