For those interested in this topic, I wrote a similar blog post on the geometric interpretation of the various trig functions, which also includes some similar

For those interested in this topic, I wrote a similar blog post on the geometric interpretation of the various trig functions, which also includes some similar diagrams for the hyperbolic trig functions: sinh, cosh, tanh, sech, etc. http://extremelearning.com.au/trigonometry-visualised/ http://extremelearning.com.au/trigonometry-visualised/