The Lissajous pattern observed on screen of CRO is a straight line inclined at $$45^\circ$$ to x axis. If X-plate input is 2 sin ωt, the Y-plate input is

A

$$2 \sin \omega t$$

B

$$2 \sin (\omega t + 45^\circ)$$

C

$$2 \sin (\omega t - 45^\circ)$$

D

$$22 \sin (\omega t + 45^\circ)$$