In the RLC circuit shown in the figure, the input voltage is given by $$v_i(t) = 2\cos (200t) + 4\sin (500t).$$ The output voltage $v_o(t)$ is
- $\cos (200t) + 2\sin (500t)$
- $2\cos (200t) + 4\sin (500t)$
- $\sin (200t) + 2\cos (500t)$
- $2\sin (200t) + 4\cos (500t)$