三角函數
Contents
Law of Sines and Its Geometric Construction
Geometric Construction and Graph of the Sine Function y=sin(x)
Trigonometric Ratios: Sine in Context
Geometric Demonstration of Basic Trigonometric Functions
Sine, Cosine, and the Unit Circle
Superposition of Trigonometric Functions
Geometric Representation of Sine, Cosine, and Tangent on the Unit Circle