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Find the direction cosines and direction angles of the vector.

0 votes

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

asked Feb 17, 2015 in CALCULUS by anonymous

1 Answer

0 votes

Step 1:

The vector is image.

Direction cosines for the vector image are image and

image.

where image is magnitude of the vector image.

image.

Magnitude of the vector image is .

Direction cosines of the vector image are image and .

Step 2:

Direction angles of the vector image are

image and image.

Direction angles of the vector image are

and .

Solution:

Direction cosines of the vector image are image and

.

Direction angles of the vector image are and .

answered Feb 20, 2015 by Sammi Mentor
edited Feb 20, 2015 by Sammi

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