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.
Vetor curva. parametric vector curve created by Marcos Antnio Nunes de Moura own assumed Marcos Antnio Nunes de Moura Unidentified diagrams Differential calculus
Page 2023 Free-images.com. All images are Public Domain