Find $an$ equation $in$ cylindrical coordinates for the equation given $in$ rectangular coordinates.

$49x^2+49y^2=2x$

$r=\frac{2}{49}cos()$

$r=\frac{2}{49}co{s}^{-1}()$

$r=\frac{49}{2}cos()$

$r^2=\frac{2}{49}sin()$

$r=\frac{2}{49}sin()$