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TOPICS
Couth and uncouth function pairs
27
·
John Cook
·
May 21, 2026, 5:50 p.m.
Math
Complex Analysis
Special functions
mathematics
functions
circular functions
hyperbolic functions
Summary
This blog post discusses the properties of circular and hyperbolic functions, particularly focusing on their lack of invertibility and the implications this has for mapping points in the domain to points in the range.
Read full post on www.johndcook.com →
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