0606 P12 - Mar 2025 - Q2 - 3 marks
7184
The diagram shows the curve \(y=a\cos bx+c\) for \(-180^\circ\leqslant x\leqslant180^\circ\).
It is given that \(a\), \(b\) and \(c\) are integers.
Find the values of \(a\), \(b\) and \(c\).
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