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A nice and quick way to get the 16 point circle into your head


timtamboy63

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Im not too sure if this is both HL and SL btw, but as I do HL, I prefixed it HL.

Okay, so currently we are doing radians and all that, and I have a quiz on it tomorrow. I was looking at my table of sine and cosine values for the 16 point circle, and I discovered a pattern that might make things easier for others doing the same thing :P

Oh btw, the sixteen point circle is:

300px-Unit_circle_angles.svg.png

The important thing here is to note the radian measures, they actually help in this case :)

So here's the table and explanation I have (I might have missed some points out, let me know if I have any mistakes).

http://www.scribd.com/doc/41721338

Enjoy!

edit: scribd killed a lot of the formatting, sorry 8-)

Edited by timtamboy63
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