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2. The figure below shows the graphs of the functions: f (x) = a + bcos x and g(x) = sin cx for the domain

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2. The figure below shows the graphs of the functions: f (x) = a + bcos x and g(x) = sin cx for the domain x e [-180 ; 180'] (a) Determine the values of a, b and c. ( b ) Calculate the length of AB. (c) Write down: (1) the range of f (ii) the amplitude of g (d) Solve for x E [-180 ; 180] iff (x) - g(x) is to be a maximum

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