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.
Sin Cos Tan Cot unit circle.svg Visualization of cos sin tan and cot at the unit circle Own Lars Rohwedder User RokerHRO self made Unit circles THIS FIGURE IS INCORRECT Sin and Cos has been switched
Page 2023 Free-images.com. All images are Public Domain