The Curl in Orthogonal Curvilinear Coordinates

We use vector identities for the curl of a scalar times a vector field to find a formula for the curl operator in orthogonal curvilinear coordinates. We will use this formula to find the angular momentum operator in orthogonal curvilinear coordinates. This formula is frequently used in fluid mechanics and electromagnetism. We provide an easy to remember formula of this result. #mikethemathematician, #profdabkowski, #mikedabkowski