If x and y are two unit vectors and \[\pi \] is the angle between them, then \[\frac{1}{2}|x-y|\] is equal to [UPSEAT 2001]

If x and y are two unit vectors and \[\pi \] is the angle between them

1.	If x and y are two unit vectors and \[\pi \] is the angle between them, then \[\frac{1}{2}\|x-y\|\] is equal to [UPSEAT 2001]
A.	0
B.	\[\pi /2\]
C.	1
D.	\[\pi /4\]
Answer» D. \[\pi /4\]

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If x and y are two unit vectors and \[\pi \] is the angle between them, then \[\frac{1}{2}|x-y|\] is equal to [UPSEAT 2001]

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