I have been working myself through pages of documentation to find out the functions and possibilities Mathematica offers.
Nevertheless I am not able to solve following problem on my own:
inv[alpha_] := Tan[alpha] - alpha;
Solve[InvAlph == inv[Alpha], Alpha]
I suppose Solve is not the right function to solve this equation, due to infinite solutions, but I have not discovered the appropriate function jet.
If anybody has any advice, I will appreciate it a lot!
Thanks in advance