Question: If the solid curve in Figure 3.17 represents sin(2?t). what does the dotted curve represent? That is, the dotted curve can be written in the
If the solid curve in Figure 3.17 represents sin(2?t). what does the dotted curve represent? That is, the dotted curve can be written in the form Asin(2?t+phase) what are A, f, and phase? I know A is 2, f is 2, but why phase is ?. How do you know that.

.0 2.0??? -0.5 Figure 3.17 Figure for Problem 3.5
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