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ABE = DOE = 30°
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Expression 18: "B" Subscript, 1 , Baseline equals "O" Subscript, 1 , Baseline
B
1
=
O
1
18
Expression 19: "B" Subscript, 2 , Baseline equals "R"
B
2
=
R
19
Expression 20: "C" Subscript, 1 , Baseline equals negative "R"
C
1
=
−
R
20
Expression 21: "C" Subscript, 2 , Baseline equals "O" Subscript, 2 , Baseline
C
2
=
O
2
21
Expression 22: "D" Subscript, 1 , Baseline equals "O" Subscript, 1 , Baseline
D
1
=
O
1
22
Expression 23: "D" Subscript, 2 , Baseline equals negative "R"
D
2
=
−
R
23
Expression 24: "E" Subscript, 1 , Baseline equals "R" cosine left parenthesis, 90 minus "D" Subscript, "O" "E" , Baseline , right parenthesis
E
1
=
R
c
o
s
9
0
−
D
O
E
24
Expression 25: "E" Subscript, 2 , Baseline equals "R" sine left parenthesis, "D" Subscript, "O" "E" , Baseline minus 90 , right parenthesis
E
2
=
R
s
i
n
D
O
E
−
9
0
25
Expression 26: "F" Subscript, 1 , Baseline equals negative "E" Subscript, 1 , Baseline
F
1
=
−
E
1
26
Expression 27: "F" Subscript, 2 , Baseline equals negative "E" Subscript, 2 , Baseline
F
2
=
−
E
2
27
Graphs
Graphs
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28
Expression 29: "y" less than 40
y
<
4
0
29
Expression 30: polygon left parenthesis, "A" , "B" , "C" , "D" , right parenthesis
p
o
l
y
g
o
n
A
,
B
,
C
,
D
30
Expression 31: polygon left parenthesis, "B" , "E" , "D" , "F" , right parenthesis
p
o
l
y
g
o
n
B
,
E
,
D
,
F
31
Expression 32: polygon left parenthesis, "A" , "B" , "E" , "D" , "F" , "B" , "C" , "D" , right parenthesis
p
o
l
y
g
o
n
A
,
B
,
E
,
D
,
F
,
B
,
C
,
D
32
Expression 33: left parenthesis, "R" cos "t" , "R" sin "t" , right parenthesis
R
c
o
s
t
,
R
s
i
n
t
33
Expression 34: "B" , "D"
B
,
D
34
Expression 35: "E" , "O"
E
,
O
35
Points
Points
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36
47
powered by
powered by
"x"
x
"y"
y
"a" squared
a
2
"a" Superscript, "b" , Baseline
a
b
7
7
8
8
9
9
over
÷
functions
(
(
)
)
less than
<
greater than
>
4
4
5
5
6
6
times
×
| "a" |
|
a
|
,
,
less than or equal to
≤
greater than or equal to
≥
1
1
2
2
3
3
negative
−
A B C
StartRoot, , EndRoot
pi
π
0
0
.
.
equals
=
positive
+
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