Archives for 20 March 2007

Double-Angle Formulas

Published on 20 Mar 2007 at 12:40 am. 1 Comment.
Filed under Mathematics.

To display equations, I recently installed LaTeX into WordPress by using a Latexrender plugin and it works great!  I am going to try it out by blogging about a relatively easy way to derive the double angle formulas for the sine and cosine.  The double angle formulas relate  and    to  and  . 
Let’s be honest, […]

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