Trigonometry is taught in spread through 3 years.

1. In grade 10, basic geometry problems and definitions of Trig is covered.

2. Introduction to Trig Function.

3. Advanced Trig Formulas and Identities using Sum Formulas and Double Angle Formulas.

Instread of splitting up the lectures in three different years, we have listed all Trig lectures here from beginning to end.