# What is the Cartesian equivalent of polar coordinates (sqrt97, 66^circ)?

color(maroon)("Cartesian Equivalent "(x,y) = (4,9)
$r , \theta = \sqrt{97} , {66}^{\circ}$
$x = r \cos \theta = \sqrt{97} \cos 66 \approx 4$
$y = r \sin \theta = \sqrt{97} \sin 66 \approx 9$