Examples of using Unit circle in English and their translations into Thai
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Colloquial
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Ecclesiastic
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Ecclesiastic
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Computer
But it's the unit circle.
So unit circle, our radius is 1.
Let me draw my unit circle.
It's the unit circle, right?
So let me just draw my unit circle.
So if that's the unit circle, what does it mean?
And remember, this is the unit circle.
Well, now we intersect the unit circle down here at the point 0 comma negative 1.
This comes from the unit circle.
And so if where it intersects the unit circle is at 1 comma 0, then sine of theta is just the y-coordinate.
But I can just keep going around the unit circle.
This is the unit circle, right?
You vary t, you trace out the unit circle.
So if I have a unit circle like that.
Because once again, this is the unit circle.
Let's draw the unit circle like that.
Well, the cosine is the x-coordinate on the unit circle.
And so when we did it using the unit circle, we were able to get that answer.
So let's draw a unit circle.
This comes straight out of the unit circle definition: sine squared plus cosine squared, this is just equal to 1.
Definition of the unit circle.
Note: standard model is only one unit circle lock on the top of drawer and exclude the mechanical combination lock.
Because this is a unit circle.
You could draw the triangle and the unit circle, if you don't believe me, but we just did that.
Let me draw the unit circle.
So this is essentially a circle, a unit circle, in the xy plane, and we know how to solve these.
So let's draw the unit circle.
Well, our most basic trigonometric identity-- this comes from the unit circle definition-- is that the sine squared of theta plus the cosine squared of theta is equal to 1.
That's our unit circle.
We learned this in the unit circle video.