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(b)
Equation of h if h is the reflection of f about the x-axis
5.2 Sketched below is the graph of g(x) = a. cosbx
180°
278°
360°
-1
-2
5.2.1
5.2.2
5.2.3
5.2.4
Write down the values of a and b
Use the graph to determine the value(s) of x for which g(x) > 0
Determine the range of h if h is the image of g if g is shifted down TWO units
Determine, using the graph, the value of:
200
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