Area of a Unit Circle

This example demonstrates how to calculate the area of a unit circle by dividing it into sectors. Key math concepts include the circle area formula, trigonometric functions (sine, cosine), integral concepts, and piecewise functions. It uses GeoGebra commands like Textfield, Segment, Slope, CircleSector, LaTeX, and objects such as InputBox1, t, P, O, V, c, r, m, A, text1. Suitable for high school students learning about circle geometry and calculus applications.