A vector `vecA` ur is rotated by a small angle `triangletheta` radian `(triangletheta ltl)` to get
Channel: Doubtnut
Date: 2020-08-23

A vector `vecA` ur is rotated by a small angle `triangletheta` radian `(triangletheta ltl)` to get a new vector `barB` In that case `|vecB-vecA|` is: