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20-Turquoise
January 15, 2017
Solved

How to solve [tan(ln(x))]^2 = -1 ?

  • January 15, 2017
  • 5 replies
  • 2823 views

  Hello, Everyone

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  How to solve [tan(ln(x))]^2 = -1 ?

      Thanks in advance.

            Regards.

Best answer by Werner_E

There is no solution!

Why do you think that this is a solution??? Its obviously not:

5 replies

25-Diamond I
January 15, 2017

  How to solve [tan(ln(x))]^2 = -1 ?

Why do you think that this equation is solvable? It is not!! No solution exists!

Because tan(x)=i has no solution!  atan(i) is undefined (singularity).

lvl10720-TurquoiseAuthor
20-Turquoise
January 16, 2017

But I still guess :

(2).PNG

Furthermore :

(3).PNG

(4).PNG

                Regards.

Werner_E25-Diamond IAnswer
25-Diamond I
January 16, 2017

There is no solution!

Why do you think that this is a solution??? Its obviously not:

21-Topaz II
January 16, 2017

Hi Loi Le,

I'm sorry, Ivn't reed the other answers.

tantan.jpg