设z=arctan[xy+sin(x+y)],则=_________

admin2021-01-25  30

问题 设z=arctan[xy+sin(x+y)],则=_________

选项

答案(π-1)dx-dy

解析
转载请注明原文地址:https://kaotiyun.com/show/Kcx4777K
0

最新回复(0)