James Bentley bagged a brace of tries and Blake Austin and David Fusitu'a also crossed for Rhinos against opponents who were clearly low on confidence and form.
Zak Hardaker was official man of the match in his first home game for Rhinos since 2016.
Here's how the Rhinos players rated, plus marks for Trinity's 17 and the referee.
7. Richie Myler (no 16)
Made some errors, but still feeling his way back after long layoff 6 Photo: Bruce Rollinson
9. Kruise Leeming (no 9)
Rhinos are better when he starts at hooker. Played 70 minutes and was highly influential 8 Photo: Bruce Rollinson
11. James Bentley (no 11)
Leeds' best, two good tries and one terrific saving tackle, but the sin-binning took some gloss off 8 Photo: Bruce Rollinson
12. James Donaldson (no 25)
Got a rare start and worked as hard as ever 6 Photo: Bruce Rollinson
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