Thanks

回答: prove or disproveyma162009-09-19 22:44:53

I think I can use

-1=cos(PI*y) + i*sin(PI*y)

to show it.

所有跟帖: 

回複:Thanks -yma16- 給 yma16 發送悄悄話 yma16 的博客首頁 (30 bytes) () 09/23/2009 postreply 07:06:43

請您先登陸,再發跟帖!