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20-04-2014
Mathematics

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what is the period of the graph of the equation y=3cos2x

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20-04-2014

[tex]the\ period\ cosx\ is\ 2\pi\\\\the\ period\ 3cosx\ is\ 2\pi\\\\the\ period\ 3cos2x\ is\ 2\pi:2=\pi\leftarrow Answer[/tex]

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