$\"\"$

The polar point is $\"\"$ .

Find the three pairs of polar coordinates on $\"\"$ .

Replace $\"\"$ with $\"\"$ and add $\"\"$ to $\"\"$ .

$\"\"$

Replace $\"\"$ with $\"\"$ and subtract $\"\"$ from $\"\"$ .

$\"\"$

Subtract $\"\"$ from $\"\"$ .

$\"\"$

The three pairs of polar coordinates are $\"\"$ and $\"\"$ .

$\"\"$

The three pairs of polar coordinates are $\"\"$ and $\"\"$ .