If \[\hat{a},\,\,\hat{b}\] and \[\hat{c}\] are three unit vectors inclined to each other at an angle \[\theta \], then the maximum value of \[\theta \] is

If \[\hat{a},\,\,\hat{b}\] and \[\hat{c}\] are three unit vectors incl

1.	If \[\hat{a},\,\,\hat{b}\] and \[\hat{c}\] are three unit vectors inclined to each other at an angle \[\theta \], then the maximum value of \[\theta \] is
A.	\[\frac{\pi }{3}\]
B.	\[\frac{\pi }{2}\]
C.	\[\frac{2\pi }{3}\]
D.	\[\frac{5\pi }{6}\]
Answer» D. \[\frac{5\pi }{6}\]

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If \[\hat{a},\,\,\hat{b}\] and \[\hat{c}\] are three unit vectors inclined to each other at an angle \[\theta \], then the maximum value of \[\theta \] is

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