Solving (1-h^2*r^2*1.1)tg(h*r)=h*r for h

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The equation (1-h^2*r^2*1.1)tg(h*r)=h*r requires an analytical solution for h, with r set at 6371. There is uncertainty regarding the term "tg," which is clarified to mean tangent. It is suggested that finding an analytical solution may not be feasible due to the complexity introduced by the tangent function. A trivial solution is identified as h=0, but further exploration of non-zero solutions is needed. The discussion highlights the challenges of solving the equation analytically.
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i need help with this one
(1-h^2*r^2*1.1)tg(h*r)=h*r
i need analyitical solution. r = 6371
or any help how to solve this...
 
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new format please. I am not sure what tg are if they are not constants.
 
If tg is tangent then I don't think Urban will find an analytical solution!
 
tg stands for tangens...
 
One solution is h=0..
 

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