運算式 20: polygon left parenthesis, "A" , "B" , "C" , right parenthesispolygonA,B,C
20
運算式 21: left parenthesis, "M" Subscript, 1 , Baseline plus "R" cos "t" , "M" Subscript, 2 , Baseline plus "R" sin "t" , right parenthesisM1+Rcost,M2+Rsint
定義域 t 最小值： 180 plus tangent to the negative 1st power StartFraction, "M" Subscript, 2 , Baseline minus "D" Subscript, 2 , Baseline Over "M" Subscript, 1 , Baseline minus "D" Subscript, 1 , Baseline , EndFraction180+tan−1M2−D2M1−D1
less than or equal to "t" less than or equal to≤t≤
定義域 t 最大值： 360 plus tangent to the negative 1st power StartFraction, "M" Subscript, 2 , Baseline minus "D" Subscript, 2 , Baseline Over "M" Subscript, 1 , Baseline minus "D" Subscript, 1 , Baseline , EndFraction360+tan−1M2−D2M1−D1
21
運算式 22: polygon left parenthesis, "D" , "E" , right parenthesispolygonD,E
22
運算式 23: polygon left parenthesis, "F" , "M" , right parenthesispolygonF,M
23
運算式 24: left parenthesis, "M" Subscript, 1 , Baseline plus "R" cos "t" , "M" Subscript, 2 , Baseline plus "R" sin "t" , right parenthesisM1+Rcost,M2+Rsint
定義域 t 最小值： 180 plus tangent to the negative 1st power StartFraction, "M" Subscript, 2 , Baseline minus "D" Subscript, 2 , Baseline Over "M" Subscript, 1 , Baseline minus "D" Subscript, 1 , Baseline , EndFraction180+tan−1M2−D2M1−D1
less than or equal to "t" less than or equal to≤t≤
定義域 t 最大值： 360 plus tangent to the negative 1st power StartFraction, "M" Subscript, 2 , Baseline minus "D" Subscript, 2 , Baseline Over "M" Subscript, 1 , Baseline minus "D" Subscript, 1 , Baseline , EndFraction360+tan−1M2−D2M1−D1
