Calculus in one variable - Lesson 21 Trigonometric and hyperbolic substitutions

Round-15 hunt: picked; source: deeper uploads from a strong round 1-9 channel; channel already live on Lumen; strict per-title check + final strict pass; title rules; oEmbed verified.

A 41-minute video from Università Telematica Internazionale UNINETTUNO: “Calculus in one variable - Lesson 21 Trigonometric and hyperbolic substitutions”.

Video by Università Telematica Internazionale UNINETTUNO, played through YouTube's embedded player.