表达式28: theta Subscript, 1 , Baseline equals tangent to the negative 1st power StartFraction, "F" Subscript, 2 , Baseline Over "F" Subscript, 1 , Baseline , EndFraction plus 135θ1=tan−1F2F1+135
equals=
146.3 0 9 9 3 2 4 7 4146.309932474
28
Graphs
对学生隐藏该文件夹。
29
表达式30: "y" less than 25y<25
30
表达式31: left parenthesis, "E" Subscript, 1 , Baseline , "E" Subscript, 2 , Baseline minus "t" "E" Subscript, 2 , Baseline , right parenthesisE1,E2−tE2
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:
31
表达式32: polygon left parenthesis, "A" , "E" , "G" , "A" , "F" , "A" , "B" , "C" , "D" , right parenthesispolygonA,E,G,A,F,A,B,C,D
32
表达式33: left parenthesis, "K" Subscript, 1 , Baseline plus StartFraction, 0.7 5 "t" cos left parenthesis, theta Subscript, 1 , Baseline minus 135 , right parenthesis Over StartRoot, 2 , EndRoot , EndFraction , "K" Subscript, 2 , Baseline plus StartFraction, 0.7 5 "t" sin left parenthesis, theta Subscript, 1 , Baseline minus 135 , right parenthesis Over StartRoot, 2 , EndRoot , EndFraction , right parenthesisK1+0.75tcosθ1−1352,K2+0.75tsinθ1−1352
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:
33
表达式34: left parenthesis, "K" Subscript, 1 , Baseline plus StartFraction, 0.7 5 "t" cos left parenthesis, theta Subscript, 1 , Baseline plus 135 , right parenthesis Over StartRoot, 2 , EndRoot , EndFraction , "K" Subscript, 2 , Baseline plus StartFraction, 0.7 5 "t" sin left parenthesis, theta Subscript, 1 , Baseline plus 135 , right parenthesis Over StartRoot, 2 , EndRoot , EndFraction , right parenthesisK1+0.75tcosθ1+1352,K2+0.75tsinθ1+1352
00
定义域t最小值:
less than or equal to "t" less than or equal to≤t≤