L为参数方程x=cost+tsint y=sint-tcost 求曲线积分x+e^xdy+(y+ye^x)dx t为0到
L为参数方程x=cost+tsint y=sint-tcost 求曲线积分x+e^xdy+(y+ye^x)dx t为0到
要有具体过程求曲线x=a(cost+tsint),y=a(sint-tcost),(0≤t≤)的长度L 这题我知道是用弧
x=a(cost+tsint) y=a(sint—tcost) 求导dy/dx
设(X=TCOST,Y=TSINT,求DY/DX
参数方程x=cost+sint,y=sint*cost*(t为参数)的普通方程是多少
设x=1+t^2、y=cost 求 dy/dx 和d^2y/dx^2 sint-tcost/4t^3 和 sint-tc
设x=cost y=sint-tcost 求dy/dx
求微分的题目一道,x=e^(-t)sint,y=e^tcost,求 d^2y/dx^2
验证参数方程{x=e^t*sint y=e^t*cost 所确定的函数满足关系式(d^2y/dx^2)*(x+y)^2=
x=(e^t)sint y=(e^t)cost 求d^2y/dx^2
参数方程求导 x=a(t-sint) y=a(1-cost) 求dy/dx 各种不会 求解决
计算曲线积分∫L(2xy+3sinx)dx+(x2-ey)dy,其中L为摆线 x=t-sint Y=1-cost 从点O