User contributions
- 03:42, 26 November 2022 (diff | hist) . . (+4) . . m 2022 AMC 12B Problems/Problem 24 (→Solution 5)
- 03:31, 26 November 2022 (diff | hist) . . (+11) . . m 2022 AMC 12B Problems/Problem 24 (→Solution 5)
- 03:22, 26 November 2022 (diff | hist) . . (+1,476) . . 2022 AMC 12B Problems/Problem 24 (Gives a way of proving cos(2pi/7) + cos(4pi/7) + cos(6pi/7) = -.5 that does not require complex numbers.)
