This image was acquired from
wikimedia. It was marked as Public Domain or CC0 and is free to use. To verify, go to the source and check the information there.
Trif. Trident curve en Gene Ward Smith en math Gene Ward Smith Original upload log en Trif bytes Gene Ward Smith no is image created by me User Gene Ward Smit which am placing in the public domain Trident curve
Page 2023 Free-images.com. All images are Public Domain