Ví dụ về việc sử dụng The unit circle trong Tiếng anh và bản dịch của chúng sang Tiếng việt
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is on the unit circle in the complex plane.
So that's why the unit circle definition isn't kind of a replacing definition for the SOH-CAH-TOA definition, it's really just an extension that allows us-- I mean,
Stability Causality If you need stability then the ROC must contain the unit circle.
this radius intersects the unit circle, and that the sine of this function is equal to the y-coordinate where this point intersects the unit circle.
Thus, in the unit circle,"the arc whose cosine is x" is the same as"the angle whose cosine is x",
Draw the unit circle.
On the unit circle.
Are on the unit circle.
All lie on the unit circle.
And remember, this is the unit circle.
So, let's review the unit circle definition.
this is the unit circle.
If the ROC contains the unit circle, the system is stable.
For example, the rational points of the unit circle of equation.
Well, now we intersect the unit circle down here at the point 0 comma negative 1.
We are in the first quadrant of the unit circle, with θ< π/ 2 or 90º.
For some results, you may be able to work out the angle based on the unit circle.
Another simple example is the unit circle, S 1{\displaystyle S^{1}}(see picture above).