Let \[z\] be a complex number. Then the angle between vectors \[z\] an

1.	Let \[z\] be a complex number. Then the angle between vectors \[z\] and \[-iz\] is
A.	\[\pi \]
B.	0
C.	\[-\frac{\pi }{2}\]
D.	None of these
Answer» D. None of these

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Let \[z\] be a complex number. Then the angle between vectors \[z\] and \[-iz\] is

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