表达式3: "x" squared plus "y" squared equals 1x2+y2=1
3
隐藏 标签 "p" equals left parenthesis, 0 , 0 , right parenthesisp=0,0
标签
4
表达式5: "t" left parenthesis, cos left parenthesis, StartFraction, "N" times 2 pi Over length left parenthesis, "N" , right parenthesis , EndFraction , right parenthesis , sin left parenthesis, "N" times StartFraction, 2 pi Over length left parenthesis, "N" , right parenthesis , EndFraction , right parenthesis , right parenthesis plus left parenthesis, 1 minus "t" , right parenthesis "p"tcosN·2πlengthN,sinN·2πlengthN+1−tp
00
定义域t最小值：
less than or equal to "t" less than or equal to≤t≤
