Art of Problem Solving

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For Derrick.liang (talk | block log | uploads | logs)

18:48, 18 December 2016 (diff | hist) . . (-1)‎ . . m 2013 AMC 12B Problems/Problem 24 ‎ (→‎Solution)
18:44, 18 December 2016 (diff | hist) . . (0)‎ . . m 2013 AMC 12B Problems/Problem 19 ‎ (→‎Solution 1)
14:29, 28 August 2016 (diff | hist) . . (-4)‎ . . Trigonometric identities ‎ (→‎Half Angle Identities)

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