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- 11:04, 26 October 2019 (diff | hist) . . (+5) . . m 2011 AMC 10B Problems/Problem 18 (→Solution 2 (with trig))
- 16:43, 5 October 2019 (diff | hist) . . (+8) . . m 2013 AMC 10A Problems/Problem 24 (→Solution 2)
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