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Calculate argument of complex number (#651)
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Calculate argument of complex number (#651)
Find
arg
(
z
)
=
tan
−
1
(
y
/
x
)
\arg(z) = \tan^{-1}(y/x)
ar
g
(
z
)
=
tan
−
1
(
y
/
x
)
, taking into account quadrant.
