Tepcentre

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By unit circle I mean a certain conceptual framework for many important trig facts and properties NOT a big circle drawn on a sheet of paper that has angles labeled with degree

https://math.stackexchange.com › questions › understanding-the-unit-circle
See the StackExchange thread Tips for understanding the unit circle and note the distinction I make in my answer between what students often see as the unit circle and what teachers see as the unit circle

https://math.stackexchange.com › questions › why-do-we-use-the-unit-circle-t…
The cosine and sine functions are defined on the unit circle The reason for this is that when working with similar triangles you often want to figure out their relative scaling and the easiest

https://math.stackexchange.com › ... › moebius-transformations-preserving-un…
Find all Moebius Transformations preserving unit circle Note I am more interested if I got these computations right than the answer Approach 1 From page 124 of Needham a general moebius

https://math.stackexchange.com › questions › contour-integrals-on-unit-circle
Contour integrals on unit circle Ask Question Asked 3 years 2 months ago Modified 3 years 2 months ago

https://math.stackexchange.com › questions › parametrizing-a-circle-in-a...
Whether or not the parametrization traces a circle in clockwise direction or anti clockwise direction depents on the convention of handed ness you are using for your Cartesian coordinate

https://math.stackexchange.com › questions › how-to-define-trigonometry-fun…
1 Why do we even use unit circle As RyanG has indicated a radius of 1 unit is as much a convenience as anything else The reason for defining trig functions in terms of a unit circle is that

https://math.stackexchange.com › questions › what-positions-on-a-unit-circle-…
How do you characterize the set of possible values for z on the unit circle for any k l and n I believe the values form a dense but countably infinite set

https://math.stackexchange.com › ... › how-to-best-explain-sine-and-cosine-o…
2 I just recently did a project on the unit circle and the three main trig functions sine cosine tangent for my geometry class and in it I was asked to provide an explanation for why sine