Question

if two vectors are not perpendicular to each other, how should you add them?

Answer 1

This is because their scalar products are both zero. To know the vectorsthat are perpendicular or orthogonal toeach other, the following must be taken into consideration: the scalar (dot) product between the twoconsidered vector must be zero (0).the angle between the two consideredvector must be .

Answer 2

by head to tail rule I think