Question

What is the Cartesian form of `( 4, (25pi)/8 )`?

Answer 1

Use `x = rcos(theta)` and `y = rsin(theta)`, to compute the point.

Explanation:

The cartesian point is `(4cos((25pi)/8), 4sin((25pi)/8))`

Here is the decimal form `(3.941,0.682)`