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sin(ωx+φ)+m(A.>0,ω>0)的最大值为4,最小值为0,最小正周期为,直线x=是其图象的一条对称轴,则它的解析式是 ( ) A.y=4sin y=2sin+2 y=2sin+2 y=2sin+2
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y=sin xcos x y=sin2x y=tan 2x y=sin 2x+cos 2x
sin 2x 2sin x sin xcos x cos2x
X=x′cosα+y′SinαY=x′Sinα-y′cosα X=x′cosα-y′SinαY=x′Sinα+y′cosα X=x′cosα+y′SinαY=x′Sinα+y′cosα X=x′cosα+y′SinαY=x′Sinα+y′cosα
f'(sin2x)sin 2s f'(sin2x) 2sin xf'(sin2x) 2f'(sin2x)
把a(b+c)与loga(x+y)类比,则有loga(x+y)=logax+logay 把a(b+c)与sin(x+y)类比,则有sin(x+y)=sin x+sin y 把a(b+c)与ax+y类比,则有ax+y=ax+ay 把(a+b)+c与(xy)z类比,则有(xy)z=x(yz)
y=|sin x| y=sin |x| y=-sin |x| y=-|sin x|
X=a*sin θ;Y=b*COSθ X=b*cos( θ/b),Y=a*sin θ X=a*COSθ;Y=b*sin θ X=b*sin θ;Y=a*cos θ
E^X*Sin(30*3.14/180)*2*x/x+y*log(x) Exp(x)*Sin(30)*2*x/(x+y)*ln(x) Exp(X)*Sin(30*3.14/180)*2*x/(x+y)*log(x) Exp(X)*Sin(30*3.14/180)*2*x/(x+y)*ln(x)
y=cos 2x+sin 2x y=cos 2x-sin 2x y=sin 2x-cos 2x y=sin xcos x
E^*Sin(30*3.14/180)*2*X/X+Y*Log( Exp(*Sin(30)*2*X/(X+*Ln( Exp(*Sin(30*3.14/180)*2*X/(X+*Log( Exp(*Sin(30*3.14/180)*2*X/(X+*Ln(
Sqr(x*y^3)+Abs(Exp(x)+Sin(x)^3/(x-y)) Sqr(x*y^3)+Abs((Exp(x)+Sin(x)^3)/(x-y)) Sqr(x*y^3)+Abs(Exp(x)+Sin(x)^3/x-y) Sqr((x*y)^3)+Abs((Exp(x)+Sin(x)^3)/(x-y))
-2excos x -2exsin x 2exsin x -2ex(sin x+cos x)
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E^*Sin(30*3.14/180)*2*X/X+Y*Log(X) Exp(X)*Sin(30)*2*X/(X+Y)*Ln(X) Exp(x)*Sin(30*3.14/180)*2*x/(x+y)*Log(x) Exp(X)*Sin(30*3.14/180)*2*X/(X+Y)*Ln(X)
y=6sin(5x+15)+2 y=6sin(5x-15)+2 y=6sin(5x+15)-2 y=6sin(5x-15)-2
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