About Trig Tour
Take a tour of trigonometry using degrees or radians! Look for patterns in the values and on the graph when you change the value of theta. Compare the graphs of sine, cosine, and tangent.
How to play Trig Tour
Everything is hands-on: drag, click and experiment — the simulation reacts instantly. Take a tour of trigonometry using degrees or radians!
Questions & answers
- What is Trig Tour?
- Trig Tour is a free interactive simulation from PhET Interactive Simulations (University of Colorado Boulder) that you can play right in your browser on crumble.lol — no downloads and no sign-up. Take a tour of trigonometry using degrees or radians! Look for patterns in the values and on the graph when you change the value of theta.
- What can kids learn from Trig Tour?
- It helps kids explore: define trig functions for negative angles and angles greater than 90 degrees. translate between multiple representations of trig functions: as sides of a right triangle inscribed in a unit circle, graph of the function vs. angle, and numerical values of the function. deduce the sign (+, -, 0) of a trig function for any given angle without a calculator using the unit circle concept. estimate the value of trig functions for any given angle without a calculator using the unit circle concept. define exact trig functions for special angles using degrees or radians for angle measures.
- What age is Trig Tour good for?
- It is designed for high school up to university, and curious kids outside that range can absolutely enjoy poking around it too.
- Is Trig Tour free to play?
- Yes — Trig Tour is completely free on crumble.lol and runs fully in your browser on computers and tablets.