How did we come to setting a standard of measurement? Why is metrics a good solution?

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In this video I work through a special but common instance of rewriting parametric equations into rectangular equations. It involves rewriting those written in terms of trig functions. We will use the pythagorean identity of trig functions to accomplish our goal here.

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http://www.mathpowerline.com Solving Algebra word problems can be a challenge. These examples are using systems of equations. I show how to assign variables and write the equations. Schedule a free live math session with Terry VanNoy, founder of the MathPowerLine web site & blog. Sample lessons, resources for students and parents, access to an experienced math…

We’ll do three quick NJCTL.org problems on terminal resistance.

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