Sine Ø = Short line ÷ Direction the wind's blowing
Direction and magnitude of wind = Short line ÷ Sine Ø
This isn't really an important factor in table tennis, as wind speed is usually negligible, due playing indoors, unless you have a fan on in the same room.
To fully understand the concept of spinning the ball, a look at what happens when topspin, underspin and sidespin is applied to the ball must be analyzed.
