EXERCICE : Calculer un angle et une longueur à l'aide de cos, sin ou tan (2) - Troisième

Whole-channel inclusion: Yvan Monka is an honest teaching channel (title sample + 3 transcripts read: All three samples lack transcripts, but titles/descriptions match the channel's consistent pattern of structured math/programming tutorials, consistent with the 'whole' verdict.); this title passed a strict title check (sonnet) after a labelling pass.

A 13-minute video from Yvan Monka: “EXERCICE : Calculer un angle et une longueur à l'aide de cos, sin ou tan (2) - Troisième”.

Video by Yvan Monka, played through YouTube's embedded player.