Trigonometry/Addition Formula for Cosines: Revision history

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(cur) = difference with current version, (last) = difference with preceding version, m = minor edit, → = section edit, ← = automatic edit summary

curprev 14:2214:22, 1 May 2020‎ 95.26.113.71 discuss‎ 7,366 bytes 0‎ →‎Cosine Formulae undo [checked by Mrjulesd]

curprev 19:1519:15, 8 October 2016‎ יהודה שמחה ולדמן discuss contribs‎ 7,366 bytes −1,114‎ No edit summary undo [automatically checked]

curprev 19:0919:09, 6 October 2016‎ יהודה שמחה ולדמן discuss contribs‎ 8,480 bytes −21‎ No edit summary undo [automatically checked]

curprev 15:4415:44, 2 September 2014‎ Krishnavedala discuss contribs‎ m 8,501 bytes −4‎ →‎Another Way: vector image undo [checked by Harrybrowne1986]

curprev 21:2221:22, 14 September 2011‎ 128.104.134.181 discuss‎ 8,505 bytes −1‎ Fixed typo in cosine identity undo [checked by MarcGarver]

curprev 12:5712:57, 1 March 2011‎ JamesCrook discuss contribs‎ 8,506 bytes +330‎ Tweaks. undo [automatically checked]
curprev 12:5012:50, 1 March 2011‎ JamesCrook discuss contribs‎ 8,176 bytes +771‎ New exercise. undo [automatically checked]

curprev 18:2118:21, 10 February 2011‎ Wisden discuss contribs‎ 7,405 bytes +282‎ Exercise: tan(A+B) undo [automatically checked]

curprev 10:1710:17, 26 December 2010‎ Wisden discuss contribs‎ m 7,123 bytes +4‎ →‎Cosine Formulas: More brackets undo [checked by Fishpi]
curprev 10:1610:16, 26 December 2010‎ Wisden discuss contribs‎ m 7,119 bytes +8‎ →‎Cosine Formulas: Brackets for clarity undo

curprev 13:3713:37, 25 December 2010‎ JamesCrook discuss contribs‎ 7,111 bytes +675‎ Attempt to explain better. undo [automatically checked]
curprev 12:5812:58, 25 December 2010‎ JamesCrook discuss contribs‎ 6,436 bytes +2,349‎ Relinking, and subtraction formulas. undo [automatically checked]

curprev 20:3920:39, 11 December 2010‎ Wisden discuss contribs‎ m 4,087 bytes −18‎ Tweaks undo [checked by Adrignola]

curprev 23:2023:20, 13 November 2010‎ JamesCrook discuss contribs‎ 4,105 bytes +21‎ Video link first. undo [automatically checked]

curprev 15:5415:54, 2 November 2010‎ JamesCrook discuss contribs‎ 4,084 bytes +145‎ One extra step for clarity. undo [automatically checked]
curprev 15:4815:48, 2 November 2010‎ JamesCrook discuss contribs‎ 3,939 bytes +3,184‎ Proof undo [automatically checked]

curprev 21:0421:04, 31 October 2010‎ JamesCrook discuss contribs‎ 755 bytes +108‎ Proof for cosine addition formula. undo [automatically checked]

curprev 13:0913:09, 28 October 2010‎ JamesCrook discuss contribs‎ 647 bytes +647‎ Extracted from Trigonometry/Addition_Formula_for_Sines [automatically checked]

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