楕円の媒介変数表示 | Desmos

Expression 4: "t" equals 10

negative 20

20

4

Expression 5: StartFraction, "x" squared Over "a" squared , EndFraction plus StartFraction, "y" squared Over "b" squared , EndFraction equals 1

5

`t` = ${t} left parenthesis, StartFraction, "a" left parenthesis, 1 minus "t" squared , right parenthesis Over 1 plus "t" squared , EndFraction , StartFraction, 2 "b" "t" Over "t" squared plus 1 , EndFraction , right parenthesis

Label:

equals

left parenthesis, negative 1.9 6 0 3 9 6 0 4 , 0.1 9 8 0 1 9 8 , right parenthesis

6

Expression 7: "y" equals 1 left brace, negative 5 less than "x" less than 5 , right brace

7

8

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