How ca I solve this problem in Matlab 2018b?

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Nélio Dias
Nélio Dias on 3 Nov 2020
Edited: Walter Roberson on 3 Nov 2020
I'm trying to solve this question:
and arrive in
How can I do it? I tried this commands but didn't work. There is a way to solve this in matlab?
syms x y
solve(tan(atan(y/(x+1))-2*atan(y/x)==0))
solve(atan(y/(x+1))-2*atan(y/x)==0))

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Accepted Answer

Walter Roberson
Walter Roberson on 3 Nov 2020
Edited: Walter Roberson on 3 Nov 2020
syms x y X
sol = solve(atan(y/(x+1))-2*atan(y/x)==pi, 'returnconditions', true)
eqn = (X == sol.x(2)).^2
lhs(eqn)-rhs(eqn)
However this is missing the multiplication by y that you are expecting.

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