Frontal AoE attacks (generally known as "cone" to ranged and "cleave" to melee) such as Cone of Cold and Dragon's Breath are extremely useful in PvP... When they don't miss. However, when they do miss, not only have I wasted a GCD, but I have also opened myself up to attack since I have to be in melee range to make use of them.
When I see other players in PvP (eg. on YouTube), they rarely seem to miss even though the effect of their AoE's don't always visually contact their target.
How can I ensure that I don't miss front AoE attacks?