Graphing and Understanding Sine and Cosine Waves

Miacademy & MiaPrep Learning Channel

This educational video provides a comprehensive guide to graphing sine and cosine functions, serving as a bridge between unit circle trigonometry and analytical graphing. It begins by constructing the sine graph point-by-point using values derived from the unit circle, visualizing how angular inputs (radians) translate to vertical outputs on a Cartesian plane. The narration guides viewers through the logic of periodic behavior, demonstrating why the wave pattern repeats indefinitely in both directions.