What is Trigonometry?

What is Trigonometry?

Trigonometry is the branch of mathematics that deals with triangles. In this book, you will learn many useful formulas and how Trigonometry is applied in the real world.

New Resources

Area Between Two Curves
Visualizing the Pythagorean Identity with Sine and Cosine
Tetrahedron String Art
兩位數的位值
Average Value of a Function

Discover Resources

UCSS Secondary Math I Unit 3 Lesson 3
Modelling from snapshots
steve_phelps
Algebra I
geogebra Assignment #6
動点問題（1次関数）

Discover Topics

Angles
Pie Chart or Circle Chart
Tree Diagrams
Pyramid
Exponential Functions