Question

Find the direction cosines and direction angles of the vector.
(Give the direction angles correct to the nearest degree.)

Answer 1

Step 1:

The vector is .

Direction cosines for the vector are and

.

where is magnitude of the vector .

.

Magnitude of the vector is .

Direction cosines of the vector are and .

Step 2:

Direction angles of the vector are

and .

Direction angles of the vector are

and .

Solution:

Direction cosines of the vector are and

.

Direction angles of the vector are and .