1. Instruction Sheet
2. Installation Sheet

Outline:
The concept of a unit circle 
Conversion of degrees into radians 
Creation of a slider to change angle alpha 
Changing the appearance of graphs
Sine function
Cosine function
Tangent function
Rotation of a point on the circle and periodicity of functions
Co-ordinates of points tracing trigonometric functions 
Graphs for sine, cosine and tangent functions