October 2019 edit
Hello, I'm OwnstheBeagles. I noticed that you added or changed content in an article, Centripetal force, but you didn't provide a reliable source. It's been removed and archived in the page history for now, but if you'd like to include a citation and re-add it, please do so. You can have a look at the tutorial on citing sources, or if you think I made a mistake, you can leave me a message on my talk page. Thank you. OwnstheBeagles (talk) 06:35, 5 October 2019 (UTC)
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November 2019 edit
Hello, I'm Aranya. I noticed that you added or changed content in an article, History of trigonometry, but you didn't provide a reliable source. It's been removed and archived in the page history for now, but if you'd like to include a citation and re-add it, please do so. You can have a look at the tutorial on citing sources, or if you think I made a mistake, you can leave me a message on my talk page. Thank you. – Aranya (talk) 14:29, 2 November 2019 (UTC)
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Please refrain from making unconstructive edits to Wikipedia. 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.★Trekker (talk) 18:53, 20 November 2019 (UTC)
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