The angle between self cross product is

1.	The angle between self cross product is
Answer» Answer: If the CROSS product of TWO vectors is the ZERO vector (i.e. a × b = 0), then either ONE or both of the inputs is the zero vector, (a = 0 or b = 0) or else they are parallel or ANTIPARALLEL (a ∥ b) so that the sine of the angle between them is zero (θ = 0° or θ = 180° and sinθ = 0).

Answer»

Answer:

If the CROSS product of TWO vectors is the ZERO vector (i.e. a × b = 0), then either ONE or both of the inputs is the zero vector, (a = 0 or b = 0) or else they are parallel or ANTIPARALLEL (a ∥ b) so that the sine of the angle between them is zero (θ = 0° or θ = 180° and sinθ = 0).

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The angle between self cross product is