I need to find the roots of this function :$ f(x)=e^{dx}(cos(ax)+sin(ax))-bx+c$ where $b,c\in R$ and $a,d>0$. Using Desmos, https://www.desmos.com/calculator/xix9o5lhon?lang=it it's possible to see a pattern for the zeros independently of the values of the parameters. How can I find such zeros?
2026-03-31 18:20:19.1774981219
How to find the roots of a nonlinear function
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