Figure 5-7n shows the graph of y = cos2 as it might appear on your grapher. From the
Chapter 5, Problem T.11(choose chapter or problem)
Figure 5-7n shows the graph of y = cos2 as it might appear on your grapher. From the graph, find the equation of this sinusoid. Then use the double argument properties to prove algebraically that your answer is correct. Figure 5-7n T1
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