# The cartesian from of the polar equation $\theta=\tan^{-1} 2$ is :

$\begin {array} {1 1} (a)\;x=2y & \quad (b)\;y=2x \\ (c)\;x=4y & \quad (d)\;y=4x \end {array}$

(b) y=2x
answered Feb 27, 2014 by