What is Trigonometry?
Trigonometry is a branch of mathematics that studies the relationships between the sides and angles of triangles. It originated in the third century BC from applications of geometry to astronomical studies.
Here you'll find everything you need to understand the fundamentals of trigonometry, including:
- Basic Trigonometric Functions: Sine, Cosine, and Tangent.
- The Unit Circle
- Trigonometric Identities
- Applications of Trigonometry
Learn Trigonometric Functions
Discover the essential functions that define trigonometry:
- Sine (sin): Opposite / Hypotenuse
- Cosine (cos): Adjacent / Hypotenuse
- Tangent (tan): Opposite / Adjacent
Explore the trigonometric functions page for interactive SVG graphs and examples.