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💡函數：atan2(y, x)
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Expression 4: "t" Subscript, 1 , Baseline equals tangent to the negative 1st power left parenthesis, "v" . "y" , "v" . "x" , right parenthesis
t
1
=
t
a
n
−
1
v
.
y
,
v
.
x
equals
=
2.3 5 6 1 9 4 4 9 0 1 9
2
.
3
5
6
1
9
4
4
9
0
1
9
4
arctan(y/x) ❗️
arctan(y/x) ❗️
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5
custom atan2(y, x)
custom atan2(y, x)
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8
輔助線
輔助線
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11
17
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arc tangent ( "y" , "x" ) equals 2.3 5 6 1 9 4 5
a
r
c
t
a
n
(
y
,
x
)
=
2
.
3
5
6
1
9
4
5
"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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