![]() We want to find the values of A B and C so for the value of a noticed that we have a signed graph that appears to be just shifted to the left but not necessarily flipped upside down. So we have CIA zero b is 1/2 in a is to And if we put those into the equation, we have f of X equals two times a sign of 1/2 x.Īll right here we have a rough sketch of the graph and be sure to look at your book for a much more accurate craft. So if we take this equation and solve it for be wind up with B equals 1/2 okay.Īnd then, lastly, to find the value of a notice that the distance from the maximum to the middle is too. And remember, the period is calculated by taking two pi divided by B so to pie divided by B is for pie. That means one full cycle would have a width of four pi, so we know the period is going to be four pi. So half of one cycle has a width of two pi. So that means that we can let C equals zero, and we can see that the width of one cycle is going to be Well, let's figure this out. So we do see a sign graph, and it doesn't look like it has any kind of phase shift. But we can see enough of this in the sketch to figure out what's going on. ![]() Be sure to look at the actual graph in your book for a much better sketch and more accuracy. Okay, here we have a rough sketch of the graph.
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