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Question: trying to simplify a trigonometric expression

Question:trying to simplify a trigonometric expression

nvc 15 Maple
simplify
July 27 2014
1

Hi there

I am stuck with the expression

 

> e := (3+2*sinh(x)^2)/(sinh(x)^2*tanh(x));
                                            2
                               3 + 2 sinh(x)  
                              ----------------
                                     2        
                              sinh(x)  tanh(x)

its simplified way, which i cannot find, is


> f := 3*coth(x)^3-coth(x);
                                     3          
                            3 coth(x)  - coth(x)
> simplify(e-f);
                                      0

I would appreciate immensely if someone could give me some pointers on how to solve it.

 

best regards

 

nvc

 
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