Rectangular and polar coordinates -
(i) convert (8, -5pi/4)to rectangular coordinates
(ii) convert (10, -15) to polar coordinates, rounding the radius to the nearest hundredth and rounding the angle to the nearest hundredth of ...
Polar coordinates - polar coordinates o a particular point are r=4, 0=pi/3. I need to ind the rectangular coordinates of the point.
(x,y)=?