Question

How do you convert `( -2 , 0 )`into polar coordinates?

Answer 1

`(r,theta)=(2,pi)`

Explanation:

It is possible to use the conversions:
`color(white)("XXX")r=sqrt(x^2+y^2)`
and
`color(white)("XXX")theta= arcsin(x/r)`

but this is easily seen from a diagram: