(x-2)^2+(y-1)^2+(z-4)^2 = 100怎么换成参数方程啊?

问题描述:

(x-2)^2+(y-1)^2+(z-4)^2 = 100怎么换成参数方程啊?

x=2+10cosucosv
y=1+10cosusinv
z=4+10sinu