Question

What is the Cartesian form of `( -5 , ( - 16pi)/3 )`?

Answer 1

`(5/2, (-5 sqrt(3))/2)`

Explanation:

`x=r cos theta`

`x=-5*cos (-16 pi/3)`

`x = 5/2`

and

`y=r*sin theta`

`y=-5*sin (-16 pi/3)`

`y=(-5sqrt(3))/2`