Question

How do you convert `r=3cos(theta)` to rectangular form?

Answer 1

In rectangular form the equation is `x^2+y^2=3*x`

Explanation:

We know `r^2=x^2+y^2; x=r*cos theta ; y=r*sin theta; theta=tan^-1(y/x)` `:. r=3*(x/r) or r^2 =3*x or x^2+y^2 =3*x` [Ans]