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two vectors vecA" and "vecB are incli...

two vectors `vecA" and "vecB` are inclined to each other at an angle `theta` . Find a unit vector which is perpendicular to both`vecA" and " vecB`

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`vecAxxvecB=AB sin theta hatn`
`hatn =(vecAxxvecB)/(AB sin theta) " here "hatn` is perpendicular to both `vecA"and "vecB`
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