<PRE><B>Question 799489</B>
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*[tex \LARGE \ \ \ \ \ \ \ \ \ \  \sqrt{\left(\cos(x)\ -\ \sin(x)\right)^2\ +\ \left(\sin(x)\ +\ \cos(x)\right)^2}]


*[tex \LARGE \ \ \ \ \ \ \ \ \ \  \sqrt{\left(\cos^2(x)\ -\ 2\cos(x)\sin(x)\ +\ \sin^2(x)\right)\ +\ \left(\sin^2(x)\ +\ 2\cos(x)\sin(x)\ +\ \cos^2(x)\right)]


*[tex \LARGE \ \ \ \ \ \ \ \ \ \  \sqrt{\left(1\ -\ 2\cos(x)\sin(x)\right)\ +\ \left(1\ +\ 2\cos(x)\sin(x)\right)]


*[tex \LARGE \ \ \ \ \ \ \ \ \ \ \sqrt{2}]


John
*[tex \LARGE e^{i\pi}\ +\ 1\ =\ 0]
&lt;font face=&quot;Math1&quot; size=&quot;+2&quot;&gt;Egw to Beta kai to Sigma&lt;/font&gt;
My calculator said it, I believe it, that settles it
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