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Byju's Answer
Standard XII
Mathematics
Orthocenter
If z=-1+-3, t...
Question
If z = –1 +
–
3
, then arg (z) = ____________.
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Solution
z
=
-
1
+
i
–
3
x
=
-
1
and
y
=
3
θ
=
tan
-
1
3
-
1
=
tan
-
1
-
3
θ
=
π
3
,
Since z lies in IV quadrant.
⇒ argument of z is π
-
π
3
=
2
π
3
.
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