表达式16: "A" Subscript, 1 , Baseline equals "R" cosine left parenthesis, 180 plus StartFraction, 180 minus "A" Subscript, "O" "B" , Baseline Over 2 , EndFraction , right parenthesisA1=Rcos180+180−AOB2
equals=
negative 2.5−2.5
16
表达式17: "A" Subscript, 2 , Baseline equals "R" sine left parenthesis, 180 plus StartFraction, 180 minus "A" Subscript, "O" "B" , Baseline Over 2 , EndFraction , right parenthesisA2=Rsin180+180−AOB2
表达式20: "C" Subscript, 1 , Baseline equals "R" cosine left parenthesis, 180 plus StartFraction, 180 minus "A" Subscript, "O" "B" , Baseline Over 2 , EndFraction plus "A" Subscript, "O" "C" , Baseline , right parenthesisC1=Rcos180+180−AOB2+AOC
equals=
2.6 9 6 1 5 2 4 2 2 7 12.69615242271
20
表达式21: "C" Subscript, 2 , Baseline equals "R" sine left parenthesis, 180 plus StartFraction, 180 minus "A" Subscript, "O" "B" , Baseline Over 2 , EndFraction plus "A" Subscript, "O" "C" , Baseline , right parenthesisC2=Rsin180+180−AOB2+AOC
equals=
1.3 3 0 1 2 7 0 1 8 9 21.33012701892
21
表达式22: "M" Subscript, 1 , Baseline equals "A" Subscript, 1 , Baseline plus "A" Subscript, "M" , Baseline cosine StartFraction, "B" Subscript, "A" "C" , Baseline Over 2 , EndFractionM1=A1+AMcosBAC2
equals=
1.7 8 3 7 5 4 2 2 6 4 91.78375422649
22
表达式23: "M" Subscript, 2 , Baseline equals "A" Subscript, 2 , Baseline plus "A" Subscript, "M" , Baseline sine StartFraction, "B" Subscript, "A" "C" , Baseline Over 2 , EndFractionM2=A2+AMsinBAC2
equals=
negative 0.5 2 2 0 4 4 4 9 5 5 1 7−0.522044495517
23
Graphs
对学生隐藏该文件夹。
24
表达式25: left parenthesis, "M" Subscript, 1 , Baseline plus "R" Subscript, 1 , Baseline cos "t" , "M" Subscript, 2 , Baseline plus "R" Subscript, 1 , Baseline sin "t" , right parenthesisM1+R1cost,M2+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
25
表达式26: 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
26
表达式27: left parenthesis, "M" Subscript, 1 , Baseline plus "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：
27
表达式28: polygon left parenthesis, "A" , "C" , right parenthesispolygonA,C
28
表达式29: polygon left parenthesis, "A" , "B" , right parenthesispolygonA,B
29
Points
对学生隐藏该文件夹。
30
42
技术支持
技术支持
A
B
C
M
30°
6
5
Start black, "R" Subscript, 1 , Baseline End blackR1
