x=a {cost}三次方,y=a {sint}的三次方,求曲线围成的面积
问题描述:
x=a {cost}三次方,y=a {sint}的三次方,求曲线围成的面积
答
答:
星形线面积参考:
http://wenku.baidu.com/link?url=ubrI1fKpJWAk2QaqabBLo65HTUQL6B7ggN_StNcLC1jpE83fPJpIeYXODpJydOOxM79SUciUlez4WGZvSSfDgDJAqafcyrioza0qHHbYJSq