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Angle BCD = X = 108°
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Expression 13: "C" Subscript, 2 , Baseline equals "R" equals 9
C
2
=
R
equals
=
9
9
13
Expression 14: "D" Subscript, 1 , Baseline equals negative "B" Subscript, 1 , Baseline equals negative 8.5 5 9 5 0 8 6 4 6 6 6
D
1
=
−
B
1
equals
=
negative 8.5 5 9 5 0 8 6 4 6 6 6
−
8
.
5
5
9
5
0
8
6
4
6
6
6
14
Expression 15: "D" Subscript, 2 , Baseline equals "B" Subscript, 2 , Baseline equals 2.7 8 1 1 5 2 9 4 9 3 7
D
2
=
B
2
equals
=
2.7 8 1 1 5 2 9 4 9 3 7
2
.
7
8
1
1
5
2
9
4
9
3
7
15
Expression 16: "M" Subscript, 1 , Baseline equals "O" Subscript, 1 , Baseline equals 0
M
1
=
O
1
equals
=
0
0
16
Expression 17: tangent to the negative 1st power StartFraction, "M" Subscript, 2 , Baseline minus "B" Subscript, 2 , Baseline Over "B" Subscript, 1 , Baseline , EndFraction equals "A" Subscript, "O" "B" , Baseline
t
a
n
−
1
M
2
−
B
2
B
1
=
A
O
B
17
Expression 18: "M" Subscript, 2 , Baseline equals "B" Subscript, 1 , Baseline tangent "A" Subscript, "O" "B" , Baseline plus "B" Subscript, 2 , Baseline equals 5.5 6 2 3 0 5 8 9 8 7 5
M
2
=
B
1
t
a
n
A
O
B
+
B
2
equals
=
5.5 6 2 3 0 5 8 9 8 7 5
5
.
5
6
2
3
0
5
8
9
8
7
5
18
Graphs
Graphs
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19
Expression 20: left parenthesis, "O" Subscript, 1 , Baseline plus "t" "R" , "O" Subscript, 2 , Baseline , right parenthesis Has graph.
O
1
+
t
R
,
O
2
domain t Minimum: negative 1
−
1
less than or equal to "t" less than or equal to
≤
t
≤
1
1
domain t Maximum:
20
Expression 21: polygon left parenthesis, "M" , "O" , right parenthesis Has graph.
p
o
l
y
g
o
n
M
,
O
21
Expression 22: 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
22
Expression 23: polygon left parenthesis, "B" , "C" , "D" , right parenthesis Has graph.
p
o
l
y
g
o
n
B
,
C
,
D
23
Expression 24: 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 parenthesis Has graph.
M
1
+
R
1
c
o
s
t
,
M
2
+
R
1
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
24
Points
Points
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25
38
powered by
powered by
O
A
B
C
D
M
||
||
X
|
|
"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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