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Byju's Answer
Standard XI
Mathematics
Trigonometric Ratios of Multiples of an Angle
If |z|=4 and ...
Question
If |z| = 4 and arg z = -
π
4
, then z is:
A
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B
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C
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D
None of these
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Solution
The correct option is
C
z = |z|
(
c
o
s
θ
+
i
s
i
n
θ
)