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Circle Area = 9.42477796077
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Expression 13: "A" Subscript, 1 , Baseline equals "R" cosine theta Subscript, 0 , Baseline
A
1
=
R
c
o
s
θ
0
equals
=
1.5 5 0 3 4 1 4 6 0 4
1
.
5
5
0
3
4
1
4
6
0
4
13
Expression 14: "A" Subscript, 2 , Baseline equals "R" sine theta Subscript, 0 , Baseline
A
2
=
R
s
i
n
θ
0
equals
=
0.7 7 2 2 9 6 1 5 8 3 3 4
0
.
7
7
2
2
9
6
1
5
8
3
3
4
14
Expression 15: "B" Subscript, 1 , Baseline equals "D" Subscript, 1 , Baseline plus "s" cosine 60
B
1
=
D
1
+
s
c
o
s
6
0
equals
=
1.6 5 6 6 8 4 0 9 8 2 3
1
.
6
5
6
6
8
4
0
9
8
2
3
15
Expression 16: "B" Subscript, 2 , Baseline equals "D" Subscript, 2 , Baseline plus "s" sine 60
B
2
=
D
2
+
s
s
i
n
6
0
equals
=
0.9 5 6 4 8 7 0 1 0 0 7 6
0
.
9
5
6
4
8
7
0
1
0
0
7
6
16
Expression 17: "C" Subscript, 1 , Baseline equals "R" cosine left parenthesis, theta Subscript, 0 , Baseline plus "A" Subscript, "O" "C" , Baseline , right parenthesis
C
1
=
R
c
o
s
θ
0
+
A
O
C
equals
=
negative 1.4 4 3 9 9 8 8 2 2 5 6
−
1
.
4
4
3
9
9
8
8
2
2
5
6
17
Expression 18: "C" Subscript, 2 , Baseline equals "R" sine left parenthesis, theta Subscript, 0 , Baseline plus "A" Subscript, "O" "C" , Baseline , right parenthesis
C
2
=
R
s
i
n
θ
0
+
A
O
C
equals
=
0.9 5 6 4 8 7 0 1 0 0 7 6
0
.
9
5
6
4
8
7
0
1
0
0
7
6
18
Expression 19: StartFraction, "A" Subscript, 1 , Baseline minus "D" Subscript, 1 , Baseline Over "A" Subscript, 2 , Baseline minus "D" Subscript, 2 , Baseline , EndFraction tilde StartFraction, "D" Subscript, 1 , Baseline minus "C" Subscript, 1 , Baseline Over "C" Subscript, 2 , Baseline minus "D" Subscript, 2 , Baseline , EndFraction Has regression. To access statistics, press Tab.
A
1
−
D
1
A
2
−
D
2
~
D
1
−
C
1
C
2
−
D
2
19
Expression 20: "D" Subscript, 2 , Baseline equals negative StartRoot, "R" squared minus "D" squared , EndRoot
D
2
=
−
R
2
−
D
2
1
equals
=
negative 1.7 2 8 7 8 3 1 6 8 4 1
−
1
.
7
2
8
7
8
3
1
6
8
4
1
20
Graphs
Graphs
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21
Expression 22: "y" less than 25 Has graph. To audio trace, press ALT+T.
y
<
2
5
22
Expression 23: 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: 360
3
6
0
23
Expression 24: polygon left parenthesis, "A" , "C" , "A" , "B" , "C" , "D" , right parenthesis Has graph.
p
o
l
y
g
o
n
A
,
C
,
A
,
B
,
C
,
D
24
Points
Points
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25
34
powered by
powered by
O
A
B
C
D
3
Equilateral Triangle Side s
"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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