understand the unit circle definition of cosθ, sinθ and tanθ and periodicity using radians
examine translations and the graphs of y=f(x)+a and y=f(x-b)
examine dilations and the graphs of y=c f(x) and y=f(dx)
recognise the graphs of y=sinx,y=cosx, and y=tanx on extended domains
examine period changes and the graphs of y=sin bx,y=cos bx, and y=tan bx
examine phase changes and the graphs of y=sin(x-c), y=cos(x-c) and y=tan(x-c)
