Question

What is the Cartesian form of `( -12 , (13pi)/3 )`?

Answer 1

The Cartesian form is: `(-6,-6sqrt3)`

Explanation:

Use the conversion equations:

`x = rcos(theta)` and `y = rsin(theta)`

`x = -12cos((13pi)/3)` and `y = -12sin((13pi)/3)`

`x = -6` and `y = -6sqrt3`