Trigonometry/Power Series for Cosine and Sine: Revision history

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6 August 2022

26 September 2020

29 December 2018

19 January 2016

9 January 2016

6 January 2016

12 October 2014

17 April 2013

8 October 2012

11 March 2011

6 January 2011

31 October 2010

17 October 2010