GeoGebra
GeoGebra
Trigonometry
Defining Trigonometric Ratios for Acute Angles
Defining Trigonometric Ratios for Arbitrary Angles
Graphs of Trigonometric Functions
Trigonometry
Author:
Anthony OR 柯志明
Table of Contents
Defining Trigonometric Ratios for Acute Angles
Introduction to Sine
Introduction to Cosine & Tangent
Defining Trigonometric Ratios for Arbitrary Angles
Defining Trigonometric Ratios
Graphs of Trigonometric Functions
Unit Circle and Sine Graph
Unit Circle and Cosine Graph
Unit Circle and Tangent Graph
Next
Introduction to Sine
New Resources
Paradoxes on π
Unit Vector
Sector Area Question Generator
π = 4 ?
Open Middle Sector Area Exercise
Discover Resources
High School Summer Geometry Activities
Problem 3.2
Piecewise Function for Tangents
Plato's dice
I.47 variation with semicircles
Discover Topics
Circumcircle or Circumscribed Circle
Cylinder
Root
Cosine
Algebra
