0606 P21 - Jun 2023 - Q2 - 5 marks
7684
The function \(g\) is defined for \(0^\circ\leq x\leq120^\circ\) by
\(g(x)=2+4\cos6x.\)
(a) Sketch the graph of \(y=g(x)\).
(b) State the amplitude of \(g\).
(c) State the period of \(g\).
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