Quick Answer:The Trig Trainer is a 24" x 36" poster of the Cartesian coordinate system with the complete unit circle, supplied with transparent sine and hypotenuse arms that turn it into an active manipulative.
Last updated: 18 October 2026
Key Features
Poster showing the Cartesian coordinate system and the complete unit circle.
Set of transparent sine and hypotenuse arms included.
Instructions included.
Made for secondary mathematics and geometry teaching.
Technical Specifications
Specification
Value
Size
24" x 36"
Content
Cartesian coordinate system with complete unit circle
Included
Transparent sine and hypotenuse arms, instructions
How It Is Used
The teacher positions the transparent arms on the unit circle so the class can see how the sine and hypotenuse relate as the angle changes, linking the coordinate system to trigonometry.
Frequently Asked Questions
What comes with the Trig Trainer?
A 24" x 36" poster of the Cartesian coordinate system and complete unit circle, a set of transparent sine and hypotenuse arms, and instructions.