Module 8 — Trig — Primary Ratios, the Sine Law, and the Cosine Law
Review SOH-CAH-TOA for right triangles, then extend to the sine law (including the ambiguous case) and cosine law — solved for both a missing side and a missing angle — to solve any triangle, closing
30 questions, easiest → hardest
29 auto-graded
Full worked solutions
Winny Score tracks mastery
Work through every question after Lesson 8. Wrong answers show the full worked solution — read it, then the next question gives you another shot at the same idea. Aim for a Winny Score of 80+.