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Question
The angle between the vectors `hat"i" - hat"j"` and `hat"j" - hat"k"` is ______.
Options
`pi/3`
`(2pi)/3`
`(-pi)/3`
`(5pi)/6`
Solution
The angle between the vectors `hat"i" - hat"j"` and `hat"j" - hat"k"` is `(2pi)/3`.
Explanation:
Apply the formula cosθ = `(vec"a"*vec"b")/(|vec"a"|*|vec"b"|)`
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