Determine Radius Original

表达式11: left parenthesis, "S" Subscript, 1 , Baseline , "f" left parenthesis, "S" Subscript, 1 , Baseline , right parenthesis minus "f" left parenthesis, "S" Subscript, 1 , Baseline , right parenthesis "t" , right parenthesis

定义域t最小值：

less than or equal to "t" less than or equal to

定义域t最大值：

表达式12: left parenthesis, "D" Subscript, 1 , Baseline "t" , "D" Subscript, 2 , Baseline "t" , right parenthesis

定义域t最小值：

less than or equal to "t" less than or equal to

定义域t最大值： 1

Coordinates

表达式14: "A" Subscript, 1 , Baseline equals negative "R"

equals

negative 2

表达式15: "A" Subscript, 2 , Baseline equals StartAbsoluteValue, 0 , EndAbsoluteValue

equals

表达式16: "B" Subscript, 1 , Baseline equals "R" cosine 60

equals

表达式17: "B" Subscript, 2 , Baseline equals "R" sine 60

equals

1.7 3 2 0 5 0 8 0 7 5 7

表达式18: "C" Subscript, 1 , Baseline equals "R"

equals

表达式19: "C" Subscript, 2 , Baseline equals StartAbsoluteValue, 0 , EndAbsoluteValue

equals

表达式20: "D" Subscript, 1 , Baseline equals StartRoot, StartFraction, "R" squared Over StartNestedFraction, "f" left parenthesis, "S" Subscript, 1 , Baseline , right parenthesis squared NestedOver "S" squared , EndNestedFraction plus 1 , EndFraction , EndRoot

equals

1.5 2 7 4 1 5 8 8 1 5 8

表达式21: "D" Subscript, 2 , Baseline equals StartRoot, "R" squared minus "D" squared , EndRoot

equals

1.2 9 1 1 2 3 8 2 2 3 7

Slider ( R ) and Points

技术支持

Start black, "A" End black

Start black, "B" End black

Start black, "C" End black

Start black, "D" End black

Start black, left parenthesis, "S" Subscript, 1 , Baseline ; "S" Subscript, 2 , Baseline , right parenthesis End black

Start black, "R" equals 2 End black

Start black, "R" Subscript, "a" "d" "i" "u" "s" , Baseline End black