Direction Cosine

In an orthonormal basis, direction cosines of the vector vector u = (x, y, z) are:

Direction Cosine

Direction Cosine

Direction Cosine

Direction Cosine


Example

Determine the direction cosines of the vector with components (1, 2, −3).

Direction Cosine Example

Direction Cosine Calculations

Direction Cosine Calculations

Direction Cosine Solution