Foundational Trigonometry

Foundational Trigonometry Fundamentals

Master right-triangle solving and periodic functions through the unit circle.

Foundational Trigonometry 3 Foundations Active

Right Triangle Solver

Finds missing sides and angles of a right triangle using Pythagorean theorem.

Tutorial Ready

Trigonometric Functions

Calculate sin, cos, tan, and their reciprocals with exact values.

Tutorial Ready

Unit Circle Explorer

Explore sine, cosine, and tangent values on the unit circle.

Tutorial Ready