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Math Help - Graphing over two full periods?

  1. #1
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    Question Graphing over two full periods?

    Without using a calculator, graph y = 2 sin (3t + pi/2) over two full periods. Be sure to label the units on your axes.

    So the period of this function is 2pi/3. When they asked over two full periods, do we just multiply 2pi/3 by 2 or is there something else to it?

    Thanks.
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  2. #2
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    One period is from x= 0 to x= \frac{2\pi}{3} so "two periods" is from x= 0 to x= \frac{4\pi}{4}.
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