表达式16: "m" Subscript, 1 , Baseline left parenthesis, "x" minus "B" Subscript, 1 , Baseline , right parenthesis plus "B" Subscript, 2 , Baseline equals left parenthesis, tan StartFraction, "B" Subscript, "A" "C" , Baseline Over 2 , EndFraction , right parenthesis "x"m1x−B1+B2=tanBAC2x
16
表达式17: "M" Subscript, 1 , Baseline equals StartFraction, "m" Subscript, 1 , Baseline "B" Subscript, 1 , Baseline minus "B" Subscript, 2 , Baseline Over "m" Subscript, 1 , Baseline minus tan StartNestedFraction, "B" Subscript, "A" "C" , Baseline NestedOver 2 , EndNestedFraction , EndFractionM1=m1B1−B2m1−tanBAC2
equals=
55
17
表达式18: "M" Subscript, 2 , Baseline equals left parenthesis, tan StartFraction, "B" Subscript, "A" "C" , Baseline Over 2 , EndFraction , right parenthesis "M" Subscript, 1 , BaselineM2=tanBAC2M1
equals=
1.9 0 6 9 2 5 1 7 8 4 91.90692517849
18
Graphs
对学生隐藏该文件夹。
19
表达式20: "y" less than 40y<40
20
表达式21: polygon left parenthesis, "A" , "D" , "E" , right parenthesispolygonA,D,E
21
表达式22: left parenthesis, "M" Subscript, 1 , Baseline plus "R" cos "t" , "M" Subscript, 2 , Baseline plus "R" sin "t" , right parenthesisM1+Rcost,M2+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： 360360
22
表达式23: left parenthesis, "M" Subscript, 1 , Baseline plus "R" cos "t" , "M" Subscript, 2 , Baseline plus "R" sin "t" , right parenthesisM1+Rcost,M2+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： 360360
23
表达式24: polygon left parenthesis, "A" , "B" , "C" , right parenthesispolygonA,B,C
