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tan ( ABC / 2 ) = R ₁ / R ₂
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Expression 22: "D" Subscript, 1 , Baseline equals 2 "R" Subscript, 2 , Baseline
D
1
=
2
R
2
equals
=
3.7 7 9 9 7 4 1 6 0 2 4
3
.
7
7
9
9
7
4
1
6
0
2
4
22
Expression 23: "D" Subscript, 2 , Baseline equals "A" Subscript, 2 , Baseline
D
2
=
A
2
equals
=
0
0
23
Expression 24: "E" Subscript, 1 , Baseline equals "D" Subscript, 1 , Baseline
E
1
=
D
1
equals
=
3.7 7 9 9 7 4 1 6 0 2 4
3
.
7
7
9
9
7
4
1
6
0
2
4
24
Expression 25: StartFraction, "E" Subscript, 2 , Baseline Over "C" Subscript, 1 , Baseline minus "D" Subscript, 1 , Baseline , EndFraction equals StartFraction, "B" Subscript, 2 , Baseline Over "C" Subscript, 1 , Baseline , EndFraction
E
2
C
1
−
D
1
=
B
2
C
1
25
Expression 26: "E" Subscript, 2 , Baseline equals StartFraction, "B" Subscript, 2 , Baseline left parenthesis, "C" Subscript, 1 , Baseline minus "D" Subscript, 1 , Baseline , right parenthesis Over "C" Subscript, 1 , Baseline , EndFraction
E
2
=
B
2
C
1
−
D
1
C
1
equals
=
2.8 8 3 5 9 9 9 6 6 2 6
2
.
8
8
3
5
9
9
9
6
6
2
6
26
Expression 27: "M" Subscript, 1 , Baseline equals "R" Subscript, 2 , Baseline
M
1
=
R
2
equals
=
1.8 8 9 9 8 7 0 8 0 1 2
1
.
8
8
9
9
8
7
0
8
0
1
2
27
Expression 28: "M" Subscript, 2 , Baseline equals "M" Subscript, 1 , Baseline
M
2
=
M
1
equals
=
1.8 8 9 9 8 7 0 8 0 1 2
1
.
8
8
9
9
8
7
0
8
0
1
2
28
Expression 29: "L" Subscript, 1 , Baseline equals 2 "R" Subscript, 2 , Baseline plus "R" Subscript, 1 , Baseline
L
1
=
2
R
2
+
R
1
equals
=
4.7 7 3 5 8 7 0 4 6 3 8
4
.
7
7
3
5
8
7
0
4
6
3
8
29
Expression 30: "L" Subscript, 2 , Baseline equals "R" Subscript, 1 , Baseline
L
2
=
R
1
equals
=
0.9 9 3 6 1 2 8 8 6 1 3 7
0
.
9
9
3
6
1
2
8
8
6
1
3
7
30
Graphs
Graphs
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31
Expression 32: "y" less than 25
y
<
2
5
32
Expression 33: left parenthesis, "L" Subscript, 1 , Baseline , "L" Subscript, 2 , Baseline minus "t" "R" Subscript, 1 , Baseline , right parenthesis
L
1
,
L
2
−
t
R
1
0
0
domain t Minimum:
less than or equal to "t" less than or equal to
≤
t
≤
1
1
domain t Maximum:
33
Expression 34: left parenthesis, "M" Subscript, 1 , Baseline , "M" Subscript, 2 , Baseline minus "t" "R" Subscript, 2 , Baseline , right parenthesis
M
1
,
M
2
−
t
R
2
0
0
domain t Minimum:
less than or equal to "t" less than or equal to
≤
t
≤
1
1
domain t Maximum:
34
Expression 35: polygon left parenthesis, "A" , "B" , "E" , "D" , "E" , "C" , right parenthesis
p
o
l
y
g
o
n
A
,
B
,
E
,
D
,
E
,
C
35
Expression 36: left parenthesis, "L" Subscript, 1 , Baseline plus "R" Subscript, 1 , Baseline cos "t" , "L" Subscript, 2 , Baseline plus "R" Subscript, 1 , Baseline sin "t" , right parenthesis
L
1
+
R
1
c
o
s
t
,
L
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
36
Expression 37: left parenthesis, "M" Subscript, 1 , Baseline plus "R" Subscript, 2 , Baseline cos "t" , "M" Subscript, 2 , Baseline plus "R" Subscript, 2 , Baseline sin "t" , right parenthesis
M
1
+
R
2
c
o
s
t
,
M
2
+
R
2
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
37
Points
Points
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38
49
powered by
powered by
A
B
C
D
E
L
M
Start black, "R" Subscript, 2 , Baseline End black
R
2
Start black, "R" Subscript, 1 , Baseline End black
R
1
"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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