求sin(x+y)=sinx+siny的导数还有一题 e^x+x=e^y+y
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求sin(x+y)=sinx+siny的导数还有一题 e^x+x=e^y+y
求sin(x+y)=sinx+siny的导数
还有一题 e^x+x=e^y+y
求sin(x+y)=sinx+siny的导数还有一题 e^x+x=e^y+y
两边求导:cos(x+y)*(1+y')=cosx+cosy*y'
y'=(cosx-cos(x+y))/(cos(x+y)-cosy)
e^x+1=e^y*y'+y'
y'=(e^x+1)/(e^y+1)
dy/dx=[cosx-cos(x+y)]/[cos(x+y)-cosy]
第二个真是e的平方吗 微分就0了 如果是那么dy/dx=1/[1+e^y]
求函数z=sinx+siny+sin(x+y)(0
arcsin(sinx+siny)+arc(sinx-siny)=kπ/2,K为奇数,求sin^2x+sin^2y的值
sinx+siny=-1/3 cosx+cosy=1/2,求sin(x+y)的值.
证明sin(x+y)sin(x-y)=sinx-siny
求sin(x+y)=sinx+siny的导数还有一题 e^x+x=e^y+y
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为什么sinx*cosy-cosx*siny=sin(x-y)
存在sin( x -y) = sinX-sinY吗
sin(x+y)-sinx=2siny/2·cos(x+y/2)怎么来的
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1.已知8cos(2x+y)+5cosy=0,求tan(x+y)*tanx的值.2.已知关于x的方程x^2+px+q=0的两根是tanx,tany,求sin(x+y)/cos(x-y)的值.3.化简:sin(x-y)/(sinx*siny)+sin(y-z)/(siny*sinz)+sin(z-x)/(sinz*sinx).
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