Jun 7 at 11:36, by
Wei Zhong (4) to limit data source to MSE: https://approach0.me/search/?q=OR%20content%3A%24%5Csin%5Cleft(%5Comega%20t%20%5Cright)%24%2C%20AND%20site%3Amath.stackexchange.com&p=1 and limit data source to AoPS https://approach0.me/search/?q=OR%20content%3A%24%5Csin%5Cleft(%5Comega%20t%20%5Cright)%24%2C%20AND%20site%3Aartofproblemsolving.com&p=1