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February 28, 2015

February 28, 2015

Posted by **Joe** on Tuesday, December 1, 2009 at 7:43pm.

on the unit circle tangent gives you the slope of the reference line right? This can be expressed using the notation expressed above but how?

Thanks!

- PreCalculus -
**drwls**, Tuesday, December 1, 2009 at 9:53pmx with a dot above it usually represents the derivative with respect to time.

I don't know what you mean by "the reference line" or "the notation expressed above". I also don't see what unit circle is involved.

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