User talk:49.130.128.78

November 2018
Hello, I'm Anita5192. I wanted to let you know that one or more of your recent contributions 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 Help Desk. Thanks. — Anita5192 (talk) 01:38, 17 November 2018 (UTC)
 * If this is a shared IP address, and you did not make the edits, consider creating an account for yourself or logging in with an existing account so you can avoid further irrelevant notices.

March 2019
Hello, I'm Mojo Hand. I wanted to let you know that I reverted one of your recent contributions —specifically this edit to Valerie Chow— because it 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 Help Desk. Thanks. Mojo Hand (talk) 04:42, 8 March 2019 (UTC)