User talk:2405:204:1388:C8B6:CCBE:429D:AD24:322B

May 2021
Please refrain from making unconstructive edits to Wikipedia, as you did at History of trigonometry. Your edits appear to constitute vandalism and have been reverted. If you would like to experiment, please use the sandbox. Repeated vandalism may result in the loss of editing privileges. Thank you. Meters (talk) 06:38, 3 May 2021 (UTC)