In the diagram, the graphs of the functions ƒ(x) = asinx and g(x) = tanbx are drawn on the same system of axes for the interval 0° ≤ x ≤ 225°

5.1Write down the values of a and b.(2)

5.2Write down the period of f(3x).(2)

5.3Determine the values of x in the interval 90° ≤ x ≤ 225° for which f(x).g(x) ≤ 0(3)
(7)
[{"prnt":"5","num":"5.1","answer":""},{"prnt":"5","num":"5.2","answer":""},{"prnt":"5","num":"5.3","answer":""}]