表达式28: left parenthesis, "L" Subscript, 1 , Baseline plus "R" Subscript, 1 , Baseline cos "t" , "L" Subscript, 2 , Baseline plus "R" Subscript, 1 , Baseline sin "t" , right parenthesisL1+R1cost,L2+R1sint
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
28
表达式29: left parenthesis, "M" Subscript, 1 , Baseline plus "R" Subscript, 2 , Baseline cos "t" , "M" Subscript, 2 , Baseline plus "R" Subscript, 2 , Baseline sin "t" , right parenthesisM1+R2cost,M2+R2sint
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
29
表达式30: left parenthesis, "N" Subscript, 1 , Baseline plus "R" Subscript, 3 , Baseline cos "t" , "N" Subscript, 2 , Baseline plus "R" Subscript, 3 , Baseline sin "t" , right parenthesisN1+R3cost,N2+R3sint
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
30
表达式31: polygon left parenthesis, "A" , "B" , "C" , right parenthesispolygonA,B,C
31
表达式32: 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： 360360
32
表达式33: polygon left parenthesis, "D" , "O" , right parenthesispolygonD,O
33
表达式34: left parenthesis, "M" Subscript, 1 , Baseline minus "t" "R" Subscript, 1 , Baseline , "M" Subscript, 2 , Baseline , right parenthesisM1−tR1,M2
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：
34
表达式35: left parenthesis, "N" Subscript, 1 , Baseline plus "t" "R" Subscript, 1 , Baseline , "N" Subscript, 2 , Baseline , right parenthesisN1+tR1,N2
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：
35
表达式36: left parenthesis, "L" Subscript, 1 , Baseline plus "t" "R" Subscript, 1 , Baseline , "L" Subscript, 2 , Baseline , right parenthesisL1+tR1,L2
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：
36
Points
对学生隐藏该文件夹。
37
50
技术支持
技术支持
O
A
B
C
D
L
M
N
Start black, "R" Subscript, 2 , Baseline End blackR2
Start black, "R" Subscript, 3 , Baseline End blackR3
Start black, "R" Subscript, 1 , Baseline End blackR1
