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1. Draw at least one period of the graph of the sinusoidal function y = - cos (x -3) +1. Show all of your thinking. (5 marks) 2. If a function has a two successive maxima at ", 4 and (n, 4) and a range of [-2,4], determine the equation of the graph in terms of both sine and cosine that describes this function. (3 marks) 3. Describe the amplitude, period, maximum, minimum, domain and range of y = -2 sin (3x) + 1. (3 marks) 4. Find the equation of the following graph in terms of cosine. (4 marks)