Goniometric circle: illustrative model
Objective
On this book, we have already seen the definitions of sine and periodic functions. It
was necessary to talk about periodic functions: when we try to expand the
representation of the sine as a function, its graphic is periodic.
The next model represents the sine of an angle as the coordinate of a point on a circle of unitary radious (thus, the hypotenuse of the triangle is also unitary).
Use the “play”and “restart” buttons as usual.