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Find the angle between the lines vec(AB)...

Find the angle between the lines `vec(AB)` and `vec(BC)` where
(i) `A(0,-1),B(2,1),C(0,3)`
(ii) `A(0,0),B(sqrt(3),3),C(-sqrt(3),3)`

Text Solution

Verified by Experts

The correct Answer is:
(i) `90^(@)` (ii) `60^(@)`
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