Q5 5. Determine both a sine and cosine function to represent the following function:-120 90 60 -30 30 60 90 120 --3 -5 - 8- -10 -11- -12- -13- -14 -15 -16-Q10 10. Describe the transformations from f(x) = cosx (the red graph) that could generate g (x) (the blue graph) as shown below.-30 30 90 120 150 180 210 240 270 300 330 360 390Q11 11. A buoy rises and falls as it rides the waves. The equation h(t) = 3 cos(36t) + 5 models the height of the buoy, in metres, from the bottom of the ocean at time t seconds. a) What is the period of the function? What does it represent in this situation? b) What is the range of the function? Explain its meaning for this situation. c) What is the equation of the axis? What does it represent in this situation