運算式 20: polygon left parenthesis, left parenthesis, "A" Subscript, 1 , Baseline , left brace, phi greater than or equal to StartFraction, 2 pi Over 3 , EndFraction : "A" Subscript, 2 , Baseline , right brace , right parenthesis , left parenthesis, "B" Subscript, 1 , Baseline , "B" Subscript, 2 , Baseline , right parenthesis , left parenthesis, "C" Subscript, 1 , Baseline , "C" Subscript, 2 , Baseline , right parenthesis , right parenthesispolygonA1,ϕ≥2π3:A2,B1,B2,C1,C2
20
Linjestykker
對學生隱藏此資料夾。
21
運算式 22: left parenthesis, left brace, 0 less than phi less than StartFraction, pi Over 3 , EndFraction , right brace "A" Subscript, 1 , Baseline plus "t" "s" cos left parenthesis, StartFraction, pi Over 6 , EndFraction plus phi plus alpha , right parenthesis , "A" Subscript, 2 , Baseline plus "t" "s" sin left parenthesis, StartFraction, pi Over 6 , EndFraction plus phi plus alpha , right parenthesis , right parenthesis0<ϕ<π3A1+tscosπ6+ϕ+α,A2+tssinπ6+ϕ+α
00
定義域 t 最小值：
less than or equal to "t" less than or equal to≤t≤
11
定義域 t 最大值：
22
運算式 23: left parenthesis, left brace, StartFraction, 2 pi Over 3 , EndFraction greater than or equal to phi greater than or equal to StartFraction, pi Over 3 , EndFraction , right brace "B" Subscript, 1 , Baseline plus "t" "s" cos left parenthesis, StartFraction, 3 tau Over 4 , EndFraction plus phi plus alpha minus StartFraction, pi Over 3 , EndFraction , right parenthesis , "B" Subscript, 2 , Baseline plus "t" "s" sin left parenthesis, StartFraction, 3 tau Over 4 , EndFraction plus phi plus alpha minus StartFraction, pi Over 3 , EndFraction , right parenthesis , right parenthesis2π3≥ϕ≥π3B1+tscos3τ4+ϕ+α−π3,B2+tssin3τ4+ϕ+α−π3
00
定義域 t 最小值：
less than or equal to "t" less than or equal to≤t≤
11
定義域 t 最大值：
23
運算式 24: left parenthesis, left brace, phi greater than or equal to StartFraction, pi Over 3 , EndFraction , right brace "A" Subscript, 1 , Baseline plus left parenthesis, "B" Subscript, 1 , Baseline minus "A" Subscript, 1 , Baseline , right parenthesis "t" , "A" Subscript, 2 , Baseline plus left parenthesis, "B" Subscript, 2 , Baseline minus "A" Subscript, 2 , Baseline , right parenthesis "t" , right parenthesisϕ≥π3A1+B1−A1t,A2+B2−A2t
00
定義域 t 最小值：
less than or equal to "t" less than or equal to≤t≤
11
定義域 t 最大值：
24
運算式 25: left parenthesis, left brace, 0 greater than or equal to phi greater than or equal to negative 1 , right brace "A" Subscript, 1 , Baseline plus left parenthesis, phi plus 1 , right parenthesis left parenthesis, "C" Subscript, 1 , Baseline minus "A" Subscript, 1 , Baseline , right parenthesis "t" , "A" Subscript, 2 , Baseline plus left parenthesis, phi plus 1 , right parenthesis left parenthesis, "C" Subscript, 2 , Baseline minus "A" Subscript, 2 , Baseline , right parenthesis "t" , right parenthesis0≥ϕ≥−1A1+ϕ+1C1−A1t,A2+ϕ+1C2−A2t
00
定義域 t 最小值：
less than or equal to "t" less than or equal to≤t≤
11
定義域 t 最大值：
25
運算式 26: left parenthesis, left brace, phi greater than or equal to 0 , right brace "A" Subscript, 1 , Baseline plus left parenthesis, "C" Subscript, 1 , Baseline minus "A" Subscript, 1 , Baseline , right parenthesis "t" , "A" Subscript, 2 , Baseline plus left parenthesis, "C" Subscript, 2 , Baseline minus "A" Subscript, 2 , Baseline , right parenthesis "t" , right parenthesisϕ≥0A1+C1−A1t,A2+C2−A2t
00
定義域 t 最小值：
less than or equal to "t" less than or equal to≤t≤
11
定義域 t 最大值：
26
運算式 27: left parenthesis, left brace, phi greater than or equal to StartFraction, 2 pi Over 3 , EndFraction , right brace "B" Subscript, 1 , Baseline plus left parenthesis, "C" Subscript, 1 , Baseline minus "B" Subscript, 1 , Baseline , right parenthesis "t" , "B" Subscript, 2 , Baseline plus left parenthesis, "C" Subscript, 2 , Baseline minus "B" Subscript, 2 , Baseline , right parenthesis "t" , right parenthesisϕ≥2π3B1+C1−B1t,B2+C2−B2t
00
定義域 t 最小值：
less than or equal to "t" less than or equal to≤t≤
