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• 05:00, 28 October 2014 Tom (talk | contribs) moved page File:Arccosderivativetriangle.png to File:Sin(arccos(z)).png
• 04:59, 28 October 2014 Tom (talk | contribs) deleted page File:Arccosderivativetriangle.png (Deleted old revision 20141028045900!Arccosderivativetriangle.png)
• 04:59, 28 October 2014 Tom (talk | contribs) uploaded a new version of File:Arccosderivativetriangle.png (\begin{tikzpicture}[very thick] \draw (0,0) -- (0:3.5cm) node[midway,below] {$z$} -- ++(90:2.5cm) node[midway,right] {$\sqrt{1-z^2}$} -- cycle node[midway,above] {1}; \draw (3.25,0.01) rectangle (3.5,0.25); \draw (0.5,0) arc (0:53:0.35cm) node[mi...)
• 04:44, 28 October 2014 Tom (talk | contribs) uploaded File:Arccosderivativetriangle.png