Question

What is the polar form of `( 4,0 )`?

Answer 1

`"Rectangular form: " (x,y)=(4,0)`
`"Polar form: " (r,theta)=(4,0)`

Explanation:

The point `(x,y)=(4,0)` is on the X-axis
so `theta=0`

Its distance from the origin is `sqrt(4^2+0^2) =4`
so `r=4`