Question

The polar coordinates of a point are given. Find the rectangular coordinates of the point.

(- 2, - 180^o)

Answer 1

Step 1 :

The polar coordinates of point is .

Let the polar coordinates of point is .

Polar-to-rectangular coordinates :

Where angle is in radians.

Substitute .

The rectangular coordinates of the point is .

Solution :

The rectangular coordinates of the point is .