Why is the period 2pi for the graph of y=sin(2x)?
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Graphical The graphs of y = sin(t) and y = cos(t) are very similar. Both have period 2pi. ... say that you can get the graph of y = cos(t) by shifting the graph of y = sin ... 

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Graph; Domain: all real numbers Range: [1 , 1] Period = 2pi x intercepts: x = k pi , where k is an integer. y intercepts: y = 0 maximum points: (pi/2 + 2 k pi , 1 ... 

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