stretched to native resolution

[cincinnatus]

If I've been playing with stretched 1280x960 and going to native 1920x1080, what's the best way to get the same sens? I'm mainly concerned with horizontal feel, since csgo is largely left/right aim. I see people say if you use stretched resolution you should make m_yaw 0.0165. Does that mean stretched makes horizontal aim feel 1.33x faster? So should i just multiply my sens by that? Or should I be using something like horizontal viewspeed or monitor match?