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.
Keywords from Image Description:
Sincosec proportional.svg Plot of sin and csc with proportional scales Sin proportional svg Cosec proportional svg UTC Sin proportional svg Olaf Cosec proportional svg Olaf derivative work Adrignolatalk Overlaid pictures over one another and changed colors to distinguish Adrignola Cosecproportional svg set terminal svg enhanced