Finding the inverse function + Example: f(x)=cosh(x)
We encounter the hyperbolic cosine in everyday life without even realizing it. It describes the curve of a catenary or rope sagging due to gravity. To determine its inverse function, a clever yet simple trick must be used when rearranging the equation. You'll learn how in this video!
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Contents:
0:00 What are "cosh" and "arcosh"?
1:02 Problems with rearranging + common mistakes
2:33 Trick for solving the equation
4:44 Quadratic formula
6:25 Does cosh even have an inverse function?
7:37 Summary