Consider a line which passes through the point P=(x1,y1,z1) P = ( x 1 , y 1 , z 1 ) and has direction vector d⃗ =(l,m,n), ...
... geometry (or Analytic geometry) in three-dimensional space, Points, lines and planes in three-dimensional coordinate system represented by vectors
Now, if we let n→=(a,b,c), n → = ( a , b , c ) , then since P0P−→− P 0 P → is perpendicular to n→, n → , we have
The vector field tangents used to derive a formula for the circulation per unit area
Cartesian to Spherical coordinates
Vector addition for vectors at any angle | Adding vectors | How to add vectors
Vector addition for perpendicular vectors | Adding vectors | How to add vectors