Limits at Infinity Rational, Irrational, and Trig Functions Calculus 1 AB READ DESCRIPTION

From a channel Lumen includes in full: ProfRobBob (a high-school maths teacher) teaches trigonometry, precalculus and calculus with worked examples organised by course.

A 50-minute video from ProfRobBob's catalogue; the title names its topic.

Video by ProfRobBob, played through YouTube's embedded player.