Module 3 — Radians, the Unit Circle, and Graphing Trig Functions
Convert between degrees and radians, use the unit circle for exact values, and graph sine, cosine, and tangent with transformations in both directions, equation to graph and graph to equation.
30 questions, easiest → hardest
27 auto-graded
Full worked solutions
Winny Score tracks mastery
Work through every question after Lesson 3. 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+.