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Find the direction cosines and also direction angles of the vector. 0 votes

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

Step 1:

The vector is

.

You are watching: Find the direction cosines and direction angles of the vector

Direction cosines because that the vector

room
and

.

where

is size of the vector
.

.

Magnitude of the vector

is
.

Direction cosines the the vector

room
and
.

Step 2:

Direction angles of the vector

are

and
.

Direction angles of the vector

are

and
.

Solution:

Direction cosines that the vector

are
and

.

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Direction angle of the vector

room
and also
.