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Expression 17: "A" Subscript, 2 , Baseline equals "O" Subscript, 2 , Baseline equals 0
A
2
=
O
2
equals
=
0
0
17
Expression 18: "B" Subscript, 1 , Baseline equals "R" equals 9.4 0 3 1 2 4 2 3 7 4 3
B
1
=
R
equals
=
9.4 0 3 1 2 4 2 3 7 4 3
9
.
4
0
3
1
2
4
2
3
7
4
3
18
Expression 19: "B" Subscript, 2 , Baseline equals "O" Subscript, 2 , Baseline equals 0
B
2
=
O
2
equals
=
0
0
19
Expression 20: "C" Subscript, 1 , Baseline equals "R" cosine 90 equals 0
C
1
=
R
c
o
s
9
0
equals
=
0
0
20
Expression 21: "C" Subscript, 2 , Baseline equals "R" sine 90 equals 9.4 0 3 1 2 4 2 3 7 4 3
C
2
=
R
s
i
n
9
0
equals
=
9.4 0 3 1 2 4 2 3 7 4 3
9
.
4
0
3
1
2
4
2
3
7
4
3
21
Expression 22: "D" Subscript, 1 , Baseline equals "A" Subscript, 1 , Baseline plus 6 equals negative 3.4 0 3 1 2 4 2 3 7 4 3
D
1
=
A
1
+
6
equals
=
negative 3.4 0 3 1 2 4 2 3 7 4 3
−
3
.
4
0
3
1
2
4
2
3
7
4
3
22
Expression 23: "D" Subscript, 2 , Baseline equals "O" Subscript, 2 , Baseline equals 0
D
2
=
O
2
equals
=
0
0
23
Expression 24: "E" Subscript, 1 , Baseline equals StartFraction, "B" Subscript, 1 , Baseline plus "D" Subscript, 1 , Baseline Over 2 , EndFraction equals 3
E
1
=
B
1
+
D
1
2
equals
=
3
3
24
Expression 25: "E" Subscript, 2 , Baseline equals "O" Subscript, 2 , Baseline equals 0
E
2
=
O
2
equals
=
0
0
25
Expression 26: "T" Subscript, 1 , Baseline equals "E" Subscript, 1 , Baseline equals 3
T
1
=
E
1
equals
=
3
3
26
Expression 27: "T" Subscript, 2 , Baseline equals "h" equals 17.6 9 2 3 8 1 6 2 1
T
2
=
h
equals
=
17.6 9 2 3 8 1 6 2 1
1
7
.
6
9
2
3
8
1
6
2
1
27
Graphs
Graphs
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28
Expression 29: "y" less than 25 Has graph. To audio trace, press ALT+T.
y
<
2
5
29
Expression 30: polygon left parenthesis, "C" , "O" , right parenthesis Has graph.
p
o
l
y
g
o
n
C
,
O
30
Expression 31: left parenthesis, "R" cos "t" , "R" sin "t" , right parenthesis Has graph.
R
c
o
s
t
,
R
s
i
n
t
0
0
domain t Minimum:
less than or equal to "t" less than or equal to
≤
t
≤
domain t Maximum: 180
1
8
0
31
Expression 32: polygon left parenthesis, "B" , "D" , "T" , right parenthesis Has graph.
p
o
l
y
g
o
n
B
,
D
,
T
32
Expression 33: polygon left parenthesis, "A" , "B" , "T" , "B" , "C" , "T" , "C" , "D" , "C" , right parenthesis Has graph.
p
o
l
y
g
o
n
A
,
B
,
T
,
B
,
C
,
T
,
C
,
D
,
C
33
Points
Points
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34
49
powered by
powered by
O
A
B
D
E
C
T
6
10
45
BDT is an Isosceles
Triangle with Area = ?
"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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