表达式24: theta Subscript, 1 , Baseline equals tangent to the negative 1st power StartFraction, "C" Subscript, 2 , Baseline minus "F" Subscript, 2 , Baseline Over "C" Subscript, 1 , Baseline minus "F" Subscript, 1 , Baseline , EndFraction plus 45θ1=tan−1C2−F2C1−F1+45
equals=
89.5 0 8 7 7 4 5 0 6 589.5087745065
24
Graphs
对学生隐藏该文件夹。
25
表达式26: "y" less than 60y<60
26
表达式27: left parenthesis, "R" cos "t" , "R" sin "t" , right parenthesisRcost,Rsint
00
定义域t最小值：
less than or equal to "t" less than or equal to≤t≤
定义域t最大值： 9090
27
表达式28: polygon left parenthesis, "A" , "D" , "C" , "F" , "E" , "D" , "A" , "C" , "A" , "B" , "F" , "B" , "A" , right parenthesispolygonA,D,C,F,E,D,A,C,A,B,F,B,A
28
表达式29: left parenthesis, "K" Subscript, 1 , Baseline plus StartFraction, 1.2 5 "t" cos left parenthesis, theta Subscript, 1 , Baseline minus 135 , right parenthesis Over StartRoot, 2 , EndRoot , EndFraction , "K" Subscript, 2 , Baseline plus StartFraction, 1.2 5 "t" sin left parenthesis, theta Subscript, 1 , Baseline minus 135 , right parenthesis Over StartRoot, 2 , EndRoot , EndFraction , right parenthesisK1+1.25tcosθ1−1352,K2+1.25tsinθ1−1352
00
定义域t最小值：
less than or equal to "t" less than or equal to≤t≤
11
定义域t最大值：
29
表达式30: left parenthesis, "K" Subscript, 1 , Baseline plus StartFraction, 1.2 5 "t" cos left parenthesis, theta Subscript, 1 , Baseline plus 135 , right parenthesis Over StartRoot, 2 , EndRoot , EndFraction , "K" Subscript, 2 , Baseline plus StartFraction, 1.2 5 "t" sin left parenthesis, theta Subscript, 1 , Baseline plus 135 , right parenthesis Over StartRoot, 2 , EndRoot , EndFraction , right parenthesisK1+1.25tcosθ1+1352,K2+1.25tsinθ1+1352
00
定义域t最小值：
less than or equal to "t" less than or equal to≤t≤
