運算式 23: theta Subscript, 1 , Baseline equals tangent to the negative 1st power StartFraction, "D" Subscript, 2 , Baseline Over "D" Subscript, 1 , Baseline , EndFraction minus 135 equals negative 68.1 9 8 5 9 0 5 1 3 6θ1=tan−1D2D1−135
equals=
negative 68.1 9 8 5 9 0 5 1 3 6−68.1985905136
23
Graphs
對學生隱藏此資料夾。
24
運算式 25: "y" less than 25 有圖檔。 要進行圖形閱讀，請按 Alt + T 鍵。y<25
25
運算式 26: polygon left parenthesis, "A" , "C" , "D" , right parenthesis 有圖檔。polygonA,C,D
26
運算式 27: left parenthesis, "E" Subscript, 1 , Baseline plus 0.5cos 45 , 0.5 "t" sin 45 , right parenthesis 有圖檔。E1+0.5cos45,0.5tsin45
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：
27
運算式 28: left parenthesis, "E" Subscript, 1 , Baseline plus 0.5 "t" cos 45 , 0.5sin 45 , right parenthesis 有圖檔。E1+0.5tcos45,0.5sin45
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：
28
運算式 29: polygon left parenthesis, "A" , "C" , "A" , "E" , "D" , "E" , "B" , "C" , "D" , right parenthesis 有圖檔。polygonA,C,A,E,D,E,B,C,D
29
運算式 30: left parenthesis, "B" Subscript, 1 , Baseline plus 0.5cos 135 , 0.5 "t" sin 45 , right parenthesis 有圖檔。B1+0.5cos135,0.5tsin45
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：
30
運算式 31: left parenthesis, "B" Subscript, 1 , Baseline plus 0.5 "t" cos 135 , 0.5sin 45 , right parenthesis 有圖檔。B1+0.5tcos135,0.5sin45
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：
31
運算式 32: left parenthesis, "K" Subscript, 1 , Baseline plus StartFraction, 0.5 "t" cos left parenthesis, theta Subscript, 1 , Baseline minus 135 , right parenthesis Over StartRoot, 2 , EndRoot , EndFraction , "K" Subscript, 2 , Baseline plus StartFraction, 0.5 "t" sin left parenthesis, theta Subscript, 1 , Baseline minus 135 , right parenthesis Over StartRoot, 2 , EndRoot , EndFraction , right parenthesis 有圖檔。K1+0.5tcosθ1−1352,K2+0.5tsinθ1−1352
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：
32
運算式 33: left parenthesis, "K" Subscript, 1 , Baseline plus StartFraction, 0.5 "t" cos left parenthesis, theta Subscript, 1 , Baseline plus 135 , right parenthesis Over StartRoot, 2 , EndRoot , EndFraction , "K" Subscript, 2 , Baseline plus StartFraction, 0.5 "t" sin left parenthesis, theta Subscript, 1 , Baseline plus 135 , right parenthesis Over StartRoot, 2 , EndRoot , EndFraction , right parenthesis 有圖檔。K1+0.5tcosθ1+1352,K2+0.5tsinθ1+1352
00
定義域 t 最小值：
less than or equal to "t" less than or equal to≤t≤
