MathPlotAI Logo MathPlotAI

Unit Circle: Sine and Cosine Functions by Brian Sterr

Unit Circle: Sine and Cosine Functions by Brian Sterr
Loading the math board and drawing, please wait…
2016-03-02 03:14
CircleFunctionTrigonometry
This example demonstrates the sine and cosine functions on the unit circle. Key mathematical concepts include trigonometry. Through rotation and construction of segments, it illustrates the changes in sine and cosine values. Suitable for high school math education and learning.

GeoGebra Commands & Parameters

  1. Rotate(A, θ) → P
  2. Angle(A, (0, 0), P) → α
  3. Segment((0, 0), P) → e
  4. Rotate((1 / 3, 0), α / 2) → D