Trigonometry

 
Section 6.6

 The graphs of y = sinx and y = cosx

 The amplitude of a sine wave

 Period and the graph of y = sin2x

 How to graph y = -3sin2x + 1

 How to graph y = 2cos(Π /2)x

 How to graph y = sin(x + Π /2)

 Solution to homework exercise 80