Question

What is the Cartesian form of `(-10,(pi)/8))`?

Answer 1

`x=-9,24" "unit`
`y=-3,83" "unit`

Explanation:

`r=-10" "theta=pi/8`
`"you can convert Polar form to Cartesian form:"`
`x=r*cos theta`
`y=r*sin theta`
`x=-10*cos (pi/8)`
`y=-10*sin(pi/8)`
`x=-9,24" "unit`
`y=-3,83" "unit`