![]() ![]() Recent surveys have revealed a rational urban standard, with orthogonal axes with north-south orientation. The settlement was founded on several emerging islets, behind the sandy dunes housing the rich necropolis. Despite decades of archaeological excavations, we know only about a small part of the site. The settlement was discovered in the early 1960s, during land reclamation works of the Valli di Comacchio. Founded around 530 BC along an ancient branch of the Po, it prospered for three centuries.Today the archaeological site is about 12 km from the sea, but in ancient times it was located at the mouth of the Delta, at the confluence of one of the Po's main branches and a dense network of secondary Apennine waterways. So we do not know, we do not have enough information just given what we've been told to know exactly which theta we're talking about, whether we're talkingĪbout this orange theta or this mauve theta.Spina was the most important port and Athens's main partner in the northern Adriatic. To the original angle, but that's functionally the same angle in terms of where it is relative to the positive x axis, or what direction it points into, but this one is fundamentally a different angle. ![]() And of course you could go another pi radiance and go back The opposite direction but the slope of this line, so let's call this theta two, tangent of theta two is also going to be equal to one. But I can construct another theta whose tangent is equal to one by going all the way over here and essentially going in And so you could say, okay the tangent of this theta, the tangent of this theta is one. The other side, the initial ray, is along the positive x axis. So let's say this is a candidate theta, where the tangent of this theta is the slope of this line, and this terminal angle, the terminal ray, you could say of the angle. so you could have thisĪngle right over here. Actually you probably don't even have to draw the unit circle, because the tangent is really much more about the slope of the ray created by the angle, than where it intersects the unit circle as would be the case with sine and cosine. So we draw a unit circle, so that's my x axis, that's my y axis, let me draw my unit circle here. And let me draw that here with a unit circle here. What do I mean by that? Well it's really just based on the idea that there are multipleĪngles that have. Thetas that are outside of the range of the But there is a scenario where this does not happen. Possible values of tangent, of theta here appropriately, then this is going to simplify to this. But remember, I said if we restrict theĭomain right over here. So maybe this looks like the best choice. So it might be tempting to just pick this one right over here. Restricted appropriately, is just going to be equal to theta, so we could say the theta is going to be the inverse tangent of one. Might want to do is say okay, if we take the inverse tangent, if we take the inverse tangent, of the tangent of theta, so if we take the inverse tangent of both sides of this, we of course would get the inverse tangent of So they're saying that the tangent of some angle is equal to one. Of looking at the choices, let's think about what we would do to find the angle. What should Javier do to find the angle? And I encourage you to pause this video and look at these choices and think about which of these should he do to find the angle? So let's look through each of them. So that's saying that the tangent and let's say that that particular angle is theta is equal to one. INVERSE EQUATION CALCULATOR MANUALThe manual reports that the tangent of a particular angle is one. ![]() Javier is calibrating sophisticated medical imaging equipment. ![]()
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