Lesson 4.1 - Right Angled Triangles: SohCahToa & Reciprocal Ratios
Lesson 4.2 - Special Triangles & Exact Trig Ratios
Lesson 4.3 - Understanding Angles
Lesson 4.4 - The CAST Rule
Lesson 4.5 - The CAST Rule With Special Angles
Lesson 4.6 - Identities Day 1
Lesson 4.7 - Identities Day 2
Lesson 4.8 - Sine Law & Cosine Law
Lesson 4.9 - The Ambiguous Case
Lesson 4.10 - Applications in 3-D