Question

Question #2af06

Answer 1

`(-1.4142, 1.4142)`

Explanation:

`x = r cos theta` and `y = r sin theta`
`r = 2, theta = 3 pi/4`

therefore,

`x =2 cos (3/4 pi) = 2 * (-0.7071) = -1.4142`

`y = 2 sin (3/4 pi) = 2 * (0.7071) = 1.4142`

Cartesian coordinate for `(2, 3/4 pi)` is `(-1.4142, 1.4142)`