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If the unit vectors `veca and vecb` are inclined at an angle `2theta` such that `|veca-vecb|lt1 and 0lethetalepi` then theta lies in the intervasl. (A) [0,pi/6]` (B) (5pi/6,pi]` (C) [pi/2,5pi/6]` (D) `[pi/6,pi/2]`

A

`[0, (pi)/(6)]`

B

`((5pi)/(6), pi]`

C

`[(pi)/(6), (pi)/(2)]`

D

`((pi)/(2), (5pi)/(6)]`

Text Solution

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The correct Answer is:
A, B
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