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2 vector p and q are inclined to each other at an angle theta the unit vector perpendicular to both
To find a unit vector “ n” perpendicular to two vectors p and q we need cross product of those vectors. Its formula is :n = cross product of p and q vectors/ magnitude of their cross productOr simply we can sayn =( p × q) / |p×q|
let the perpendicular vector is a.Then a is given by so unit perpendicular vectorHope it clears.................................................................
firstly the cross product say p*q gives u the vector perpendicular to both p and qbut u are required to answer the unit vector and not the vector,so u will divide the cross product vector by its magnitudei.e unit vector perpendicular to both p and q is=(p*q)/|p*q|
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