User talk:2402:8100:2380:2611:178:5634:1232:5476

March 2022
Hello, I'm DVdm. I wanted to let you know that one or more of your recent contributions&#32;to List of trigonometric identities have been undone because they did not appear constructive. If you would like to experiment, please use the sandbox. If you have any questions, you can ask for assistance at the Teahouse. Thanks. DVdm (talk) 17:23, 11 March 2022 (UTC)