当前位置: X题卡 > 所有题目 > 题目详情

sin x + sin y = a , cos ⁡ x + cos ⁡ y = a ( a ≠ 0 ...

查看本题答案

你可能感兴趣的试题

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  
y=|sin x|    y=sin|x|    y=|cos x|   y=cos|x|  
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)  
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)  
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  
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)  
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)  

热门试题

更多