We're on a mission to make trigonometry accessible, engaging, and useful for everyone — from curious students to career professionals.
Trigonometry is foundational to so many careers and fields — engineering, construction, game development, music production, physics, navigation, architecture, and more. Yet most learning platforms treat it as an afterthought, bundling it into generic "math courses" without the dedicated attention it deserves.
TrigTutor.org was built to change that. We believe trigonometry deserves a world-class learning platform designed specifically around its concepts, applications, and real-world uses. Whether you're a high school student encountering sine waves for the first time, a game developer working with rotation matrices, or an engineer calculating structural loads, we're here to help you master the math that powers the modern world.
Comprehensive micro-courses covering every concept from basic ratios to Fourier transforms, with clear explanations and visual examples.
Structured pathways from K-12 fundamentals through university-level advanced topics, organized by difficulty and application.
Powerful tools including Pythagorean Theorem, Unit Circle, SOHCAHTOA, and Triangle Solver — all free to use, no signup required.
Stuck on a problem? Our AI assistant provides step-by-step solutions with detailed explanations tailored to your learning level.
We don't track your behavior, sell your data, or share information with third parties. Your learning is private, always.
Built and operated in Canada with strong privacy protections, transparent pricing, and a commitment to educational excellence.
Every decision we make prioritizes the learner. No dark patterns, no engagement tricks — just great teaching focused on helping you understand the material.
We don't collect data we don't need. No invasive tracking, no behavioral analytics, no selling your information. Your privacy isn't a feature — it's our foundation.
$3/month gets you everything — all lessons, all calculators, all tools. We accept cryptocurrency for maximum privacy and accessibility worldwide.
Every lesson connects to actual careers and applications. We show you why trigonometry matters and how professionals use it every day.
Have questions about TrigTutor.org? Need help with your account? Want to report a privacy concern? We're here to help.
privacy@trigtutor.org