2: Circular Functions Last updated Oct 24, 2021 Save as PDF 1.9: Combining Functions 2.1: Traversing Circles Page ID89286 Matthew Boelkins, David Austin & Steven SchlickerGrand Valley State University via ScholarWorks @Grand Valley State University ( \newcommand{\kernel}{\mathrm{null}\,}\) 2.1: Traversing Circles2.2: The Unit Circle2.3: The Sine and Cosine Functions2.4: Sinusoidal Functions