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Draw the graph of the following function on the given interval. [4 marks]
y=1.8cos⁡(2x+〖30〗^o ) -〖180〗^o≤x<〖180〗^o
4. Draw the graph of the following function on the given interval. [4 marks]
y=1.8cos⁡(2x+〖30〗^o ) -〖180〗^o≤x<〖180〗^o

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