已知{x=sint^2 y=(2t+5)^2 求dy/dx
x=2t^2 +1 y= sint 求dy/dx是多少?
设x=t^2+cost,y=1-sint,求dy/dx
设x=1+t^2、y=cost 求 dy/dx 和d^2y/dx^2 sint-tcost/4t^3 和 sint-tc
参数方程:x=5(t-sint) y=5(1-cost) 求d^2y/dx^2 dy/dx我会求
如果 x=根号(1-t平方),y=1/sint, 求 dy/dx=
x=(e^t)sint y=(e^t)cost 求d^2y/dx^2
已知﹛x=7(t-sint),y=7(1-cost),则dy/dx=
已知y=x^cosx/2,求dy/dx,
求dy/dx=(x-y+5)/(x+y-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
求解一道曲线积分的题∫c (y+sinx)dx + (z^2+cosy)dy +x^3dzc是曲线 r(t)=sint
求微分的题目一道,x=e^(-t)sint,y=e^tcost,求 d^2y/dx^2