On a one-minute single-boss fight the build is 5/13/33. Most of it is Survival, down to 
Lacerating Strikes with 
Expose Prey and 
Strider Kick on the way. Marksmanship gets just enough for 
Lone Wolf, and Beast Mastery five points for 
Deadly Aspects.
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0/15-005115001-503200230250022151The search tunes a build for every fight and faction, and all of them share the same 49 points. The last two wander between talents that buy nothing in a boss fight.
Why these talents
Lone Wolf is the reason the build has no pet: 20 % more damage with every attack while none is out. It is worth 16.7 %, one of the two biggest values in the build with Expose Prey. Dismiss your pet before the pull. The ten Marksmanship points above it are not wasted, because 
Lethal Attacks (4.8 %) is 5 % crit on every attack and 
Careful Aim (6.1 %) turns all of your Intellect into attack power.
Expose Prey gives each hit you land on a target with Hunter's Mark a 10 % chance to open Mongoose Bite for 10 seconds. Mongoose Bite otherwise needs you to dodge, and in a raid the boss is hitting the tank. Its value is 15.3 %, of which the second point is 4.8 %. Lacerating Strikes hangs on it too: each bite also bleeds the boss for 40 % of its damage over 21 seconds, worth 2.3 %.
Predator's Edge makes your abilities and the bleed crit for 2.3 times their damage instead of 2, and raises the off hand from half damage to three quarters. The game data leaves your white swings out of the crit bonus. It is worth 13.5 %.
Deadly Aspects only works with 
Aspect of the Beast up. Then every white swing that lands has a 10 % chance to start 
Quick Strikes, 30 % faster melee attacks for 12 seconds, and the buff covers 72.9 % of the fight. Windfury Totem's extra swings roll it too, Raptor Strike doesn't. The five points are worth 9.6 %.
Strider Kick is a kick for your main hand's full normalized weapon damage on an 8-second cooldown, worth 6.3 %. Its rotation line is worth far more, 17.2 %, because the Wing Clip line waits on Strider Kick's cooldown and stops when the kick isn't cast.
Improved Tracking adds 5 % damage against whatever creature type you have tracked, for 4.8 %. Our simulator assumes the boss's type is always tracked, so switch the right tracking on before the pull.
The rest of the core is 
Lightning Reflexes (2.9 %), 
Surefooted (4.5 %) and 
Survivalist's Discipline (1.5 %). Surefooted's 3 % hit is part of what gets you to the 9 % your abilities need. Survivalist's Discipline cuts the trap cooldown from 30 seconds to 18.
Flexible points
- The last two points. The search puts them into
Efficiency, 
Resourcefulness, 
Rapid Killing, Improved Stings or Hawk Eye, depending on the fight, and every one of them is worth nothing. You never run short of mana, and Rapid Killing's shorter Rapid Fire cooldown doesn't fit a second Rapid Fire into a three-minute fight. Spend them on whatever helps you outside the boss. - Entrapment. Three points that open the third Survival row. The root they add does nothing to a boss.
Survival Tactics. Ten percent more hit on your traps for two points, worth 0.5 %. It is the smallest gain in the build that is still a gain, so it goes before any of the free points above.
Clever Traps and 
Savage Strikes are worth 1.5 % and 1.5 %, more than any free point, so keep them.
What each talent is worth
Every row is a rerun of the build with that talent taken out. Each one measures only its own points, so the column doesn't sum to your damage. To place a spare point, look at "last point" instead.
On every fight
The other fights' builds keep the same 49 points and shuffle only the last two among the free talents above. No fight, one boss or three, moves a point that does anything. Below, each fight's build sits beside this one.