V: V

V

Example Problems

\vec{u} = (-9, 3)

Find the direction angle of

\vec{u}

.
Enter your answer as an angle in degrees between

0\degree

and

360\degree

rounded to the nearest hundredth.

The component form of vector

\vec{v}

is

\vec{v} = (2, 0)

.
Find

5\vec{v}

.

These are the component forms of vectors

\vec{w}

and

\vec{x}

:

\vec{w} = (2, 5)

\vec{x} = (-8, 9)

Subtract the vectors.

\vec{u} = (6, 13)

Find the direction angle of

\vec{u}

.
Enter your answer as an angle in degrees between

0^\circ

and

360^\circ

rounded to the nearest hundredth.

These are the component forms of vectors

\vec{i}

and

\vec{j}

:

\vec{i} = (-6, 9)

\vec{j} = (3, 3)

Add the vectors.

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