MM12 / Chapter 14 / The Unit Circle (Combined)

Introduction to the unit circle and sin/cos defined in terms of the unit circle. Designed for Year 11 Maths Methods in Victoria, Australia, but could be adapted for use elsewhere. Structure: * Introduce the idea of angles in the unit circle in degrees measured anticlockwise from (1,0) * Introduce the definition of sin/cos in terms of coordinates, for degrees only * Introduce the idea of radians * Combine the definition of radians with the definitions of sin/cos.

By Bryn Humberstone