$\"\"$

The vector is $\"\"$ .

Where $\"\"$ is the magnitude and $\"\"$ is the angle made with positive $\"\"$ - axis.

Magnitude $\"\"$ and the angle $\"\"$

Substitute $\"\"$ and $\"\"$ in $\"\"$ .

$\"\"$

The vector is $\"\"$

The graph of the vector $\"\"$ is:

$\"\"$

The vector is $\"\"$ .

The graph of the vector $\"\"$ is:

$\"\"$