$\"\"$

The expression is $\"\"$ .

To represent $\"\"$ draw a vector $\"\"$ times less than $\"\"$ in the same direction of $\"\"$ .

To represent $\"\"$ draw a vector $\"\"$ times as long as $\"\"$ in the same direction of $\"\"$ .

Then use the triangle method to draw the resultant vector.

Vector Diagram :

$\"\"$

The vector diagram of $\"\"$ :

$\"\"$