$\"\"$

The condition is $\"\"$ and $\"\"$ .

Substitute the given information into the polar distance formula

$\"\"$ .

Where $\"\"$ .

Missing coordinate is $\"\"$ .

$\"\"$

Substitute corresponding values in polar distance formul.

$\"\"$

Squaring on both sides.

$\"\"$

From the trignometric ratio table : $\"\"$ .

$\"\"$

Take L.C.M and apply cross multiplication.

$\"\"$

Therefore, the value of $\"\"$ is $\"\"$ .

$\"\"$

The value of $\"\"$ is $\"\"$ .