表达式18: "y" equals "A" Subscript, 2 , Baseliney=A2
equals=
negative 9−9
18
表达式19: polygon left parenthesis, "C" , "O" , right parenthesispolygonC,O
19
表达式20: polygon left parenthesis, "B" , "O" , "C" , right parenthesispolygonB,O,C
20
表达式21: left parenthesis, "R" cos "t" , "R" sin "t" , right parenthesisRcost,Rsint
定义域t最小值： "B" Subscript, "O" "C" , Baseline minus 90BOC−90
less than or equal to "t" less than or equal to≤t≤
定义域t最大值： 270270
21
表达式22: left parenthesis, "B" Subscript, 1 , Baseline plus cos 135 , "B" Subscript, 2 , Baseline plus "t" sin 135 , right parenthesisB1+cos135,B2+tsin135
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：
22
表达式23: left parenthesis, "B" Subscript, 1 , Baseline plus "t" cos 135 , "B" Subscript, 2 , Baseline plus sin 135 , right parenthesisB1+tcos135,B2+sin135
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：
23
Points
对学生隐藏该文件夹。
24
NEW.jpg
更换图片
中心：
center: left parenthesis, negative 9.1 2 , 4.6 3 , right parenthesis−9.12,4.63
宽度：
width: 1010
角度：
angle: 00
高度：
height: 7.17.1
不透明度：
opacity: 11
25
O: "O" equals left parenthesis, "O" Subscript, 1 , Baseline , "O" Subscript, 2 , Baseline , right parenthesisO=O1,O2
标签:
equals=
left parenthesis, 0 , 0 , right parenthesis0,0
26
A: "A" equals left parenthesis, "A" Subscript, 1 , Baseline , "A" Subscript, 2 , Baseline , right parenthesisA=A1,A2
标签:
equals=
left parenthesis, 14 , negative 9 , right parenthesis14,−9
27
B: "B" equals left parenthesis, "B" Subscript, 1 , Baseline , "B" Subscript, 2 , Baseline , right parenthesisB=B1,B2
标签:
equals=
left parenthesis, 0 , negative 9 , right parenthesis0,−9
28
C: "C" equals left parenthesis, "C" Subscript, 1 , Baseline , "C" Subscript, 2 , Baseline , right parenthesisC=C1,C2
隐藏 标签 left parenthesis, left bracket, 1 , 1.5 , right bracket cos left parenthesis, StartFraction, "B" Subscript, "O" "C" , Baseline Over 2 , EndFraction minus 90 , right parenthesis , left bracket, 1 , 1.5 , right bracket sin left parenthesis, StartFraction, "B" Subscript, "O" "C" , Baseline Over 2 , EndFraction minus 90 , right parenthesis , right parenthesis1,1.5cosBOC2−90,1,1.5sinBOC2−90
标签
equals=
left parenthesis, 0.9 6 2 9 , negative 0.2 6 9 8 , right parenthesis0.9629,−0.2698
left parenthesis, 1.4 4 4 , negative 0.4 0 4 6 , right parenthesis1.444,−0.4046
30
隐藏 标签 left parenthesis, "B" Subscript, 1 , Baseline plus 1.7 5cos StartFraction, "B" Subscript, "O" "C" , Baseline Over 4 , EndFraction , "B" Subscript, 2 , Baseline plus 1.7 5sin StartFraction, "B" Subscript, "O" "C" , Baseline Over 4 , EndFraction , right parenthesisB1+1.75cosBOC4,B2+1.75sinBOC4
